Weather in Merrimack, United States 🇺🇸
As of now, Merrimack is 9°C and overcast, feeling like 6°C. Expect 75% humidity and winds of about 18 km/h, and the UV index is 0 (low). Looking ahead, Merrimack should sit between roughly -2°C and 14°C over the coming days.
Hourly Forecast for Merrimack
14-Day Forecast for Merrimack
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Additional Forecasts for Merrimack
Air Quality
Historical Weather
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Best Time to Be Outside in Merrimack Today
The most comfortable window in Merrimack today looks like 13:00 to 16:00, when it is around 8°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Merrimack
What is the temperature in Merrimack right now?
Merrimack is sitting at 9°C (48°F) right now, overcast (feels like 6°C).
What's the weather like in Merrimack right now?
Current weather in Merrimack: Overcast, humidity 75%, wind 18 km/h NW.
What is today's forecast for Merrimack?
Today in Merrimack: high 12°C, low 0°C, overcast. Chance of rain: 8%.
What is the 7-day weather forecast for Merrimack?
Daily highs and lows for Merrimack:
- 2026-10-17: 12°C / 0°C
- 2026-10-18: 14°C / -2°C
- 2026-10-19: 13°C / 0°C
- 2026-10-20: 18°C / 4°C
- 2026-10-21: 12°C / 2°C
- 2026-10-22: 10°C / 1°C
- 2026-10-23: 17°C / 6°C
Is it going to rain in Merrimack today?
There is a 8% chance of rain in Merrimack today. Total expected precipitation: 0.02 mm.
What is the wind speed in Merrimack right now?
Wind in Merrimack is currently 18 km/h (11 mph) from the NW.
What is the UV index in Merrimack right now?
The UV index in Merrimack is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
