Current Conditions

Merrimack, New Hampshire

49°F10°C
Light Rain

Wind

E 8 mph13 km/h

Humidity

96%

Cloud Cover

100%

As of Tuesday, October 13, 2026 at 9:30 AM EDT

Today's Outlook

Day

Overcast and mild, with a high of 53°F12°C and morning low of 48°F9°C. Breezy from the ESE at 8 to 9 mph12 to 14 km/h. 99% chance of light rain in the morning. Dry air.

Night

Overcast, with a low around 51°F11°C. Breezy from the E at 6 to 8 mph10 to 13 km/h. 87% chance of light rain overnight.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
Light RainHigh 57°F14°CLow 48°F9°CFeels 45°F7°CPrecip 0.26 in6.7 mm99%Cloud 99%Wind E 7 mph11 km/hTuesday: Overcast and mild, with a high of 53°F12°C and morning low of 48°F9°C. Breezy from the ESE at 8 to 9 mph12 to 14 km/h. 99% chance of light rain in the morning. Dry air. Tuesday Night: Overcast, with a low around 51°F11°C. Breezy from the E at 6 to 8 mph10 to 13 km/h. 87% chance of light rain overnight.
DrizzleHigh 70°F21°CLow 54°F12°CPrecip 0.01 in0.3 mm10%Cloud 67%Wind WNW 7 mph11 km/hWednesday: Mostly cloudy and warm, with a high of 70°F21°C and morning low of 55°F13°C. Breezy from the W at 8 to 9 mph12 to 15 km/h. Wednesday Night: Mostly cloudy, with a low around 54°F12°C. Breezy from the WNW at 7 to 10 mph11 to 15 km/h. 10% chance of drizzle overnight.
Partly CloudyHigh 59°F15°CLow 46°F8°CFeels 43°F6°CPrecip 0 in0 mm—Cloud 56%Wind NW 8 mph13 km/hThursday: Partly cloudy and mild, with a high of 59°F15°C and morning low of 50°F10°C. Breezy from the NNW at 8 to 10 mph13 to 16 km/h. Dry air. Thursday Night: Mostly cloudy, with a low around 46°F8°C. Breezy from the NW at 8 to 11 mph13 to 17 km/h.
Light RainHigh 61°F16°CLow 44°F7°CFeels 41°F5°CPrecip 0.28 in7.1 mm87%Cloud 94%Wind SSW 9 mph14 km/hFriday: Overcast and mild, with a high of 60°F15°C and morning low of 46°F8°C. Breezy from the S at 9 to 10 mph15 to 16 km/h. 87% chance of light rain in the morning. Friday Night: Overcast, with a low around 44°F7°C. Breezy from the SW at 9 to 12 mph14 to 19 km/h. 50% chance of light rain in the evening.
Light Freezing RainHigh 57°F14°CLow 36°F2°CFeels 28°F-2°CPrecip 0.07 in1.8 mm31%Cloud 49%Wind WNW 12 mph20 km/hSaturday: Mostly cloudy and cool, with a high of 46°F8°C — feels like 39°F4°C. Breezy from the NW at 14 to 15 mph22 to 24 km/h. 25% chance of drizzle in the morning. Very dry. Saturday Night: Partly cloudy, with a low around 36°F2°C. Frost likely. Breezy from the WNW at 11 to 13 mph18 to 20 km/h. 31% chance of light freezing rain overnight.
ClearHigh 52°F11°CLow 32°F0°CFeels 25°F-4°CPrecip 0.02 in0.5 mm3%Cloud 24%Wind WSW 8 mph13 km/hSunday: Partly cloudy and mild, with a high of 52°F11°C and morning low of 32°F0°C. Breezy from the W at 8 to 9 mph13 to 14 km/h. Very dry. Sunday Night: Mostly clear, with a low around 32°F0°C. Frost likely. Breezy from the WSW at 8 to 9 mph13 to 15 km/h.
Freezing DrizzleHigh 59°F15°CLow 36°F2°CFeels 29°F-1°CPrecip 0.07 in1.9 mm12%Cloud 38%Wind SW 8 mph13 km/hMonday: Partly cloudy and mild, with a high of 59°F15°C and morning low of 36°F2°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 11% chance of freezing drizzle in the morning. Dry air. Monday Night: Partly cloudy, with a low around 36°F2°C. Frost likely. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. 12% chance of freezing drizzle overnight.

15-Day Forecast

Day High Low Precip Cloud Cover Condition Wind
TuesdayOct 1357°F14°C48°F9°C
Feels 45°F7°C
0.26 in6.7 mm· 99%99%Light RainE 7 mph11 km/h
WednesdayOct 1470°F21°C54°F12°C0.01 in0.3 mm· 10%67%DrizzleWNW 7 mph11 km/h
ThursdayOct 1559°F15°C46°F8°C
Feels 43°F6°C
0 in0 mm· —56%Partly CloudyNW 8 mph13 km/h
FridayOct 1661°F16°C44°F7°C
Feels 41°F5°C
0.28 in7.1 mm· 87%94%Light RainSSW 9 mph14 km/h
SaturdayOct 1757°F14°C36°F2°C
Feels 28°F-2°C
0.07 in1.8 mm· 31%49%Light Freezing RainWNW 12 mph20 km/h
SundayOct 1852°F11°C32°F0°C
Feels 25°F-4°C
0.02 in0.5 mm· 3%24%ClearWSW 8 mph13 km/h
MondayOct 1959°F15°C36°F2°C
Feels 29°F-1°C
0.07 in1.9 mm· 12%38%Freezing DrizzleSW 8 mph13 km/h
TuesdayOct 2064°F18°C44°F7°C
Feels 39°F4°C
0.07 in1.8 mm· 12%50%DrizzleW 8 mph12 km/h
WednesdayOct 2164°F18°C44°F6°C
Feels 39°F4°C
0.02 in0.5 mm· 4%18%ClearNW 7 mph11 km/h
ThursdayOct 2261°F16°C41°F5°C
Feels 37°F3°C
0.03 in0.8 mm· 15%41%DrizzleSW 7 mph11 km/h
FridayOct 2360°F16°C46°F8°C
Feels 42°F6°C
0.06 in1.5 mm· 16%47%DrizzleW 8 mph13 km/h
SaturdayOct 2458°F15°C44°F7°C
Feels 40°F4°C
0.04 in1.1 mm· 8%52%Partly CloudyWSW 8 mph13 km/h
SundayOct 2557°F14°C44°F7°C
Feels 40°F5°C
0.13 in3.2 mm· 18%61%ShowersWSW 8 mph13 km/h
MondayOct 2656°F14°C44°F7°C
Feels 39°F4°C
0.15 in3.7 mm· 22%57%Light Freezing RainW 8 mph13 km/h
TuesdayOct 2754°F12°C42°F5°C
Feels 37°F3°C
0.15 in3.7 mm· 21%56%Light Freezing RainW 8 mph13 km/h

Nearby Cities

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 42.8651°N, 71.4934°W·Elevation: 47m·Timezone: America/New_York·Population: 26,726