Merrimack weather — 10-day forecast
Temperature, rain, wind and feels-like in Merrimack, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 10:00 · NOAA HRRR model
6 °C
Clear sky
Feels like 4 °C
Next 12 h
- 107°
- 1110°
- 1211°
- 1313°
- 1414°
- 1514°
- 1614°
- 1713°
- 17:57Sunset
- 1811°
- 1910°
- 208°12 %
- 217°13 %
- 226°14 %
↑ 14°15:00↓ 6°22:00
- Humidity
- 72 %
- Dew point
- 1 °C
- Gusts
- 2.8 km/h
- Clouds
- 0 %
- Pressure
- 1,032 hPa
Grid point 0.2 km away · 3.0 km grid · elevation 63 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by PM2.5
- PM2.5
- 17.5µg/m³▲
- PM10
- 18.4µg/m³
- Ozone
- 18.0µg/m³
- Nitrogen dioxide
- 26.0µg/m³▲
- Sulphur dioxide
- 1.7µg/m³
- Carbon monoxide
- 312.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Mainly clear
14°
0°
Tue
Overcast
17°
3°
Wed
Partly cloudy
14°
5°
Thu
Mainly clear
18°
6°
Fri
Clear sky6 %
11°
4°
Sat
Mainly clear
14°
-4°
Sun
Clear sky
19°
-4°
Mon
Mainly clear
22°
-3°
Tue
Mainly clear
19°
7°
Wed
Light drizzle1 mm
10°
4°
Gusts · Thu 52.6 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:05
- Daylight
- 10 h 52
- Sunset
- 17:57
Radiation · 14.2 MJ/m²
Today in Merrimack the mean temperature will be 6.8 °C — -3.5 °C against the normal for 19 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Merrimack