Helena weather — 10-day forecast
Temperature, rain, wind and feels-like in Helena, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 20:00 · NOAA HRRR model
29 °C
Clear sky
Feels like 25 °C
Next 12 h
↑ 29°20:00↓ 18°04:00
- Humidity
- 17 %
- Dew point
- 1 °C
- Gusts
- 15.9 km/h
- Clouds
- 0 %
- Pressure
- 1,010 hPa
Grid point 0.8 km away · 3.0 km grid · elevation 1,230 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 129.6µg/m³▲
- PM2.5
- 23.6µg/m³▲
- PM10
- 24.4µg/m³
- Nitrogen dioxide
- 0.6µg/m³
- Sulphur dioxide
- 0.9µg/m³
- Carbon monoxide
- 232.0µg/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 sky
33°
23°
Sat
Mainly clear
33°
18°
Sun
Mainly clear
30°
17°
Mon
Clear sky
31°
12°
Tue
Clear sky
32°
13°
Wed
Clear sky
31°
14°
Thu
Mainly clear
30°
14°
Fri
Overcast
27°
16°
Sat
Mainly clear
27°
11°
Sun
Thunderstorm3 mm
27°
15°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:17
- Daylight
- 14 h 34
- Sunset
- 20:51
Radiation · 18.2 MJ/m²
Today in Helena the mean temperature will be 28.8 °C — +10.5 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Helena