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

8.2 km/hforce 1

Next 12 h

  • 2029°
  • 20:51Sunset
  • 2126°
  • 2224°
  • 2323°
  • 0022°
  • 0122°
  • 0221°
  • 0320°
  • 0418°
  • 0519°
  • 0619°
  • 06:18Sunrise
  • 0719°
  • 0819°

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.

Reading from 18:00
60
Moderate

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.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

11° → 33°

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.

Max UV8high
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.)

Helena climate — normals and trends

Nearby cities

The climate around Helena