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 17:00 · NOAA HRRR model
31 °C
Clear sky
Next 12 h
- 1732°
- 1831°
- 1929°
- 2028°
- 20:00Sunset
- 2127°
- 2226°
- 2325°
- 0024°
- 0124°
- 0224°11 %
- 0324°10 %
- 0424°
- 0523°
↑ 32°17:00↓ 23°05:00
- Humidity
- 43 %
- Dew point
- 18 °C
- Gusts
- 12.4 km/h
- Clouds
- 0 %
- Pressure
- 1,016 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 Ozone
- Ozone
- 77.8µg/m³
- PM2.5
- 12.7µg/m³
- PM10
- 13.0µg/m³
- Nitrogen dioxide
- 3.9µg/m³
- Sulphur dioxide
- 0.6µg/m³
- Carbon monoxide
- 198.0µg/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
Clear sky34 %
32°
25°
Sat
Thunderstorm76 %
31°
22°
Sun
Mainly clear28 %
32°
19°
Mon
Partly cloudy8 %
32°
16°
Tue
Thunderstorm42 %
28°
21°
Wed
Overcast
26°
19°
Thu
Mainly clear
29°
19°
Fri
Light drizzle0 mm
29°
21°
Sat
Clear sky
28°
17°
Sun
Mainly clear
30°
17°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:44
- Daylight
- 14 h 16
- Sunset
- 20:00
Radiation · 11.2 MJ/m²
Today in Merrimack the mean temperature will be 29.2 °C — +7.3 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Merrimack