Merrimack, NH Weather

    19:00 Saturday
    Scattered clouds
    Scattered clouds
    -2° Feels like -6°
    New Moon New Moon Illuminated: 0%
    • Today 20 Dec. Scattered clouds 3° / -5° Moderate west wind 22 - 47 km/h
    • Tomorrow 21 Dec. Scattered clouds 6° / -4° Strong west wind 24 - 53 km/h
    • Monday 22 Dec. Scattered clouds 1° / -9° Moderate northwest wind 20 - 45 km/h
    • Tuesday 23 Dec. Snow with partly cloudy skies 80% 5 mm 0° / -8° Moderate southeast wind 11 - 26 km/h
    • Wednesday 24 Dec. Snow with partly cloudy skies 70% 0.7 mm 1° / -8° Strong northwest wind 21 - 50 km/h
    • Thursday 25 Dec. Partly cloudy 2° / -12° Moderate northwest wind 7 - 20 km/h
    • Friday 26 Dec. Hail with cloudy skies 60% 9.7 mm -1° / -7° Moderate north wind 16 - 36 km/h

    Weather Forecast for Merrimack, NH Today

    , 20 December

    Tomorrow

    , 21 December
    17:00 Partly cloudy 1° Partly cloudy
    Feels Like -2°
    Moderate south wind South 11 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 62%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1020 hPa
    • Snowline Snowline 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Visibility Visibility 50 km
    18:00 Partly cloudy -1° Partly cloudy
    Feels Like -4°
    Moderate south wind South 11 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 57%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -4 °C
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1019 hPa
    • Snowline Snowline 4921 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 50 km
    19:00 Partly cloudy -2° Partly cloudy
    Feels Like -5°
    Moderate south wind South 10 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 91%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1018 hPa
    • Snowline Snowline 5249 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 50 km
    20:00 Scattered clouds -2° Scattered clouds
    Feels Like -6°
    Moderate south wind South 12 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 53%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1018 hPa
    • Snowline Snowline 5577 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 50 km
    21:00 Partly cloudy -2° Partly cloudy
    Feels Like -6°
    Moderate south wind South 15 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 81%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -6 °C
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1017 hPa
    • Snowline Snowline 6562 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Visibility Visibility 50 km
    22:00 Overcast -1° Overcast
    Feels Like -5°
    Moderate south wind South 16 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -5 °C
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1016 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Visibility Visibility 50 km
    23:00 Partly cloudy 0° Partly cloudy
    Feels Like -4°
    Moderate south wind South 18 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 64%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -4 °C
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1015 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Visibility Visibility 50 km
    24:00 Partly cloudy 1° Partly cloudy
    Feels Like -4°
    Moderate south wind South 19 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 66%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -4 °C
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1014 hPa
    • Snowline Snowline 6890 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Visibility Visibility 50 km

    Sunrise and Sunset

    Sunrise 07:13 Sunset 16:14
    First light 06:40 Midday 11:43 Last light 16:46
    Day length 9h 1m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    1 First Quarter
    2 Full Moon

    Air quality in Merrimack today

    Detail
    31
    Fair O₃ (77 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

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