Merrimack, NH Weather

    15:00 Thursday
    Scattered clouds
    Scattered clouds
    4° Feels like 2°
    Moderate south wind South 10 - 22 km/h
    • Today 18 Dec. Scattered clouds 5° / -6° Moderate south wind 14 - 28 km/h
    • Tomorrow 19 Dec. Light rain with partly cloudy skies 90% 12 mm 14° / -1° Strong south wind 34 - 70 km/h
    • Saturday 20 Dec. Scattered clouds 3° / -4° Strong west wind 23 - 50 km/h
    • Sunday 21 Dec. Scattered clouds 8° / -4° Strong west wind 22 - 56 km/h
    • Monday 22 Dec. Scattered clouds -4° / -8° Strong northwest wind 24 - 58 km/h
    • Tuesday 23 Dec. Snow with partly cloudy skies 70% 0.9 mm 0° / -9° Moderate south wind 10 - 26 km/h
    • Wednesday 24 Dec. Rain and snow with partly cloud skies 40% 0.3 mm 5° / -5° Strong northwest wind 31 - 73 km/h

    Weather Forecast for Merrimack, NH Today

    , 18 December

    Tomorrow

    , 19 December
    15:00 Scattered clouds 4° Scattered clouds
    Feels Like 2°
    Moderate south wind South 10 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 18%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like 2 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 9186 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 50 km
    16:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate south wind South 13 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 49%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 9514 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Visibility Visibility 45 km
    17:00 Scattered clouds 2° Scattered clouds
    Feels Like -2°
    Moderate south wind South 14 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 49%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1024 hPa
    • Snowline Snowline 9514 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Visibility Visibility 40 km
    18:00 Scattered clouds 1° Scattered clouds
    Feels Like -2°
    Moderate south wind South 12 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 33%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1023 hPa
    • Snowline Snowline 9514 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Visibility Visibility 35 km
    19:00 Scattered clouds 1° Scattered clouds
    Feels Like -2°
    Moderate south wind South 12 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 33%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1023 hPa
    • Snowline Snowline 9514 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Visibility Visibility 25 km
    20:00 Scattered clouds 0° Scattered clouds
    Feels Like -2°
    Moderate south wind South 9 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 51%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1022 hPa
    • Snowline Snowline 9843 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 25 km
    21:00 Partly cloudy 0° Partly cloudy
    Feels Like -2°
    Gentle south wind South 9 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 69%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1021 hPa
    • Snowline Snowline 9843 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Visibility Visibility 25 km
    22:00 Partly cloudy 1° Partly cloudy
    Feels Like -1°
    Gentle south wind South 7 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 87%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1020 hPa
    • Snowline Snowline 9843 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 25 km
    Overcast 23:00 Overcast 1° Overcast
    Feels Like -1°
    Gentle southeast wind Southeast 7 - 14 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 1° Overcast
    Feels Like -1°
    Gentle southeast wind Southeast 7 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1019 hPa
    • Snowline Snowline 9843 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Visibility Visibility 25 km
    24:00 Overcast 2° Overcast
    Feels Like 0°
    Gentle southeast wind Southeast 7 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 99%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 1.57 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1017 hPa
    • Snowline Snowline 9514 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Visibility Visibility 20 km

    Sunrise and Sunset

    Sunrise 07:12 Sunset 16:13
    First light 06:39 Midday 11:42 Last light 16:45
    Day length 9h 1m

    Remaining daylight 1h 1m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    18 New Moon
    19 New Moon
    20 New Moon
    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

    Air quality in Merrimack today

    Detail
    30
    Fair PM₂₅ (17 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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