Alliston, ON Weather

05:00 Sunday
Partly cloudy
Partly cloudy
-5° Feels like -12°
Moderate west wind West 22 - 40 km/h
  • Today 21 Dec. Partly cloudy / -7° Strong west wind 30 - 62 km/h
  • Tomorrow 22 Dec. Partly cloudy / -8° Moderate west wind 13 - 27 km/h
  • Tuesday 23 Dec. Snow with cloudy skies 80% 2.1 mm / -5° Strong northwest wind 28 - 52 km/h
  • Wednesday 24 Dec. Overcast -1° / -5° Strong northwest wind 25 - 50 km/h
  • Thursday 25 Dec. Partly cloudy / -6° Moderate east wind 13 - 25 km/h
  • Friday 26 Dec. Snow with cloudy skies 80% 3.2 mm -1° / -8° Moderate east wind 18 - 40 km/h
  • Saturday 27 Dec. Freezing rain with cloudy skies 60% 4.5 mm / -8° Moderate east wind 16 - 43 km/h

Weather Forecast for Alliston, ON Today

, 21 December

Tomorrow

, 22 December
05:00 Partly cloudy -5° Partly cloudy
Feels Like -12°
Moderate west wind West 22 - 40 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 87%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1015 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Visibility Visibility 35 km
06:00 Partly cloudy -5° Partly cloudy
Feels Like -12°
Moderate west wind West 23 - 42 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 91%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1016 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 42 km/h
  • Visibility Visibility 25 km
07:00 Overcast -5° Overcast
Feels Like -12°
Moderate west wind West 24 - 45 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 70%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 99%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 24 km/h
  • Pressure Pressure 1017 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 45 km/h
  • Visibility Visibility 20 km
Overcast 08:00 Overcast -5° Overcast
Feels Like -12°
Moderate west wind West 24 - 45 km/h
UV Index 0 Low SPF: no
08:00 Overcast -5° Overcast
Feels Like -12°
Moderate west wind West 24 - 45 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 24 km/h
  • Pressure Pressure 1019 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 45 km/h
  • Visibility Visibility 20 km
09:00 Overcast -5° Overcast
Feels Like -11°
Moderate west wind West 23 - 44 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 99%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -11 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1020 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Visibility Visibility 30 km
10:00 Overcast -4° Overcast
Feels Like -11°
Strong west wind West 30 - 56 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -11 °C
  • Wind Wind - Average 30 km/h
  • Pressure Pressure 1021 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 56 km/h
  • Visibility Visibility 25 km
Overcast 11:00 Overcast -4° Overcast
Feels Like -10°
Strong west wind West 28 - 62 km/h
UV Index 0 Low SPF: no
11:00 Overcast -4° Overcast
Feels Like -10°
Strong west wind West 28 - 62 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 28 km/h
  • Pressure Pressure 1022 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 62 km/h
  • Visibility Visibility 20 km
12:00 Overcast -3° Overcast
Feels Like -10°
Strong west wind West 24 - 58 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 66%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 24 km/h
  • Pressure Pressure 1023 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 58 km/h
  • Visibility Visibility 16 km
13:00 Overcast -3° Overcast
Feels Like -10°
Strong northwest wind Northwest 25 - 53 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 25 km/h
  • Pressure Pressure 1023 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 53 km/h
  • Visibility Visibility 16 km
Overcast 14:00 Overcast -4° Overcast
Feels Like -10°
Strong northwest wind Northwest 23 - 50 km/h
UV Index 0 Low SPF: no
14:00 Overcast -4° Overcast
Feels Like -10°
Strong northwest wind Northwest 23 - 50 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 99%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1025 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 50 km/h
  • Visibility Visibility 30 km
15:00 Partly cloudy -5° Partly cloudy
Feels Like -11°
Moderate northwest wind Northwest 23 - 47 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 92%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -11 °C
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1026 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 47 km/h
  • Visibility Visibility 45 km
16:00 Scattered clouds -5° Scattered clouds
Feels Like -11°
Moderate northwest wind Northwest 21 - 44 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 63%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 43%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -11 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1027 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Visibility Visibility 50 km
Scattered clouds 17:00 Scattered clouds -6° Scattered clouds
Feels Like -12°
Moderate northwest wind Northwest 16 - 38 km/h
UV Index 0 Low SPF: no
17:00 Scattered clouds -6° Scattered clouds
Feels Like -12°
Moderate northwest wind Northwest 16 - 38 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 32%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1029 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Visibility Visibility 50 km
18:00 Scattered clouds -7° Scattered clouds
Feels Like -13°
Moderate northwest wind Northwest 15 - 30 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 70%
  • Dew Point Dew Point -12 °C
  • Clouds Clouds 38%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -13 °C
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Visibility Visibility 50 km
19:00 Partly cloudy -7° Partly cloudy
Feels Like -12°
Moderate northwest wind Northwest 12 - 27 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 95%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -12 °C
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Visibility Visibility 40 km
Overcast 20:00 Overcast -7° Overcast
Feels Like -9°
Moderate northwest wind Northwest 6 - 21 km/h
UV Index 0 Low SPF: no
20:00 Overcast -7° Overcast
Feels Like -9°
Moderate northwest wind Northwest 6 - 21 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -11 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Visibility Visibility 30 km
21:00 Overcast -6° Overcast
Feels Like -8°
Gentle west wind West 5 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 72%
  • Dew Point Dew Point -10 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Visibility Visibility 20 km
22:00 Overcast -5° Overcast
Feels Like -8°
Gentle west wind West 7 - 13 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -9 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1031 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 13 km/h
  • Visibility Visibility 30 km
Overcast 23:00 Overcast -4° Overcast
Feels Like -8°
Gentle west wind West 11 - 19 km/h
UV Index 0 Low SPF: no
23:00 Overcast -4° Overcast
Feels Like -8°
Gentle west wind West 11 - 19 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point -8 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Visibility Visibility 30 km
24:00 Partly cloudy -4° Partly cloudy
Feels Like -9°
Moderate west wind West 14 - 25 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -8 °C
  • Clouds Clouds 74%
  • Snow depth Snow depth 0.79 in
  • Feels Like Feels Like -9 °C
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1030 hPa
  • Snowline Snowline 0 ft
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 25 km/h
  • Visibility Visibility 45 km

Sunrise and Sunset

Sunrise 07:51 Sunset 16:43
First light 07:18 Midday 12:17 Last light 17:17
Day length 8h 52m

Time remaining until sunrise 2h 40m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
21 New Moon
22 First Quarter
23 First Quarter
24 First Quarter
25 First Quarter
26 First Quarter
27 First Quarter
28 First Quarter
29 First Quarter
30 First Quarter
31 First Quarter
1 First Quarter
2 Full Moon
3 Full Moon

Air quality in Alliston today

Detail
33
Fair O₃ (82 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall

Videos

A large lenticular cloud covers one of the volcanoes in Kamchatka, Russia
A large lenticular cloud covers one of the volcanoes in Kamchatka, Russia