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Helena, State of Montana, United States weather

Lewis and Clark County, State of Montana, United States

Updated

Data was updated about 15 h ago and may not be current. We are updating the forecast for Helena.

Helena weather

-1°
Clear sky
Feels like -4°
Low/High: -2° / 10°
Humidity91%
Wind4 km/h
Visibility14.3 km
UV index0
Through the day:
Morning
1°0%
Afternoon
10°0%
Evening
6°0%
Night
4°0%

Today's everyday tips

What to wear today?Cold

Bitterly cold: wear a thick coat or puffer, a scarf and gloves outdoors.

Suitability for light clothing65%
Good day to dry laundry?Maybe

Humid (91%) or scattered showers. Clothes dry slowly; hang them somewhere airy and keep an eye on the weather.

Drying index55%

Helena weather by the hour

Next 24 hours

  1. Clear sky10°Chance of rain 0%
  2. Clear sky10°Chance of rain 0%
  3. Overcast8°Chance of rain 0%
  4. Mainly clear6°Chance of rain 0%
  5. Mainly clear5°Chance of rain 0%
  6. Clear sky4°Chance of rain 0%
  7. Mainly clear4°Chance of rain 0%
  8. Partly cloudy4°Chance of rain 0%
  9. Overcast3°Chance of rain 0%
  10. Overcast3°Chance of rain 0%
  11. Overcast3°Chance of rain 0%
  12. Mainly clear2°Chance of rain 0%
  13. Clear sky1°Chance of rain 0%
  14. Clear sky1°Chance of rain 0%
  15. Clear sky1°Chance of rain 0%
  16. Clear sky1°Chance of rain 0%
  17. Clear sky1°Chance of rain 0%
  18. Clear sky2°Chance of rain 1%
  19. Clear sky4°Chance of rain 1%
  20. Clear sky6°Chance of rain 2%
  21. Clear sky8°Chance of rain 0%
  22. Clear sky10°Chance of rain 0%
  23. Clear sky11°Chance of rain 0%
  24. Clear sky13°Chance of rain 0%

Helena weather, next 7 days

  1. -2°10°

    Fog · Rain 0%

  2. 1°13°

    Overcast · Rain 2%

  3. 1°15°

    Clear sky · Rain 0%

  4. 4°19°

    Mainly clear · Rain 0%

  5. 5°23°

    Overcast · Rain 0%

  6. 5°17°

    Overcast · Rain 0%

  7. 7°21°

    Overcast · Rain 12%

Environment

AQI details →
Air quality
29Good
Ultraviolet (UV)
0Low
Wind now
4km/h
Dew point
-3°RH 91%

Sunrise & sunset

11h 1m of daylight
Noon 13:14
Rise: 07:43Dawn 07:12
Set: 18:44Dusk 19:15
W

Windy wind map & radar (Helena)

Detailed radar →

Helena weather trends, next 24 hours

Chance of rain & rainfall in Helena

Bars show chance of rain (%); hover for rainfall (mm)

Show data table
Chance of rain and rainfall by the hour
TimeChance of rainRainfall
16:000%0 mm
17:000%0 mm
18:000%0 mm
19:000%0 mm
20:000%0 mm
21:000%0 mm
22:000%0 mm
23:000%0 mm
00:000%0 mm
01:000%0 mm
02:000%0 mm
03:000%0 mm
04:000%0 mm
05:000%0 mm
06:000%0 mm
07:000%0 mm
08:000%0 mm
09:001%0 mm
10:001%0 mm
11:002%0 mm
12:000%0 mm
13:000%0 mm
14:000%0 mm
15:000%0 mm

Temperature & feels-like

Hourly air and feels-like temperature (°C)

  • Temperature
  • Feels like
Show data table
Temperature by the hour
TimeTemperatureFeels like
16:009.9°C8.2°C
17:0010°C7.7°C
18:008°C5.1°C
19:006°C2.2°C
20:005.3°C1.3°C
21:004.3°C0.2°C
22:004.2°C0.1°C
23:003.9°C0.2°C
00:003.4°C0.2°C
01:003°C0°C
02:002.7°C-0.2°C
03:001.5°C-1.5°C
04:001.4°C-1.5°C
05:001.4°C-1.9°C
06:001.4°C-2°C
07:001.1°C-2°C
08:000.9°C-2°C
09:001.9°C-0.7°C
10:004.1°C2.1°C
11:006°C4°C
12:007.8°C5.6°C
13:009.6°C7.2°C
14:0011.2°C9.4°C
15:0012.5°C11.1°C

UV index by the hour

How strong the sun's UV is through the day

Show data table
UV index by the hour
TimeUV indexRating
16:003.2Moderate
17:002Low
18:000.9Low
19:000.1Low
20:000Low
21:000Low
22:000Low
23:000Low
00:000Low
01:000Low
02:000Low
03:000Low
04:000Low
05:000Low
06:000Low
07:000Low
08:000Low
09:000.4Low
10:001.3Low
11:002.6Moderate
12:003.6Moderate
13:004.3Moderate
14:004.4Moderate
15:004Moderate

Wind & gusts in Helena

In km/h

  • Wind speed (km/h)
  • Gusts (km/h)
Show data table
Wind by the hour
TimeWind speedGusts
16:002.7 km/h9.4 km/h
17:005 km/h9.8 km/h
18:008.5 km/h10.1 km/h
19:0011.5 km/h11.9 km/h
20:0011.2 km/h11.2 km/h
21:0011.5 km/h14.8 km/h
22:0011 km/h14.4 km/h
23:006.8 km/h8.6 km/h
00:003 km/h3.2 km/h
01:001.8 km/h1.8 km/h
02:000.7 km/h1.1 km/h
03:002.6 km/h3.2 km/h
04:001.5 km/h1.8 km/h
05:004.7 km/h4.7 km/h
06:005 km/h4.7 km/h
07:003.8 km/h4 km/h
08:003.1 km/h3.6 km/h
09:002.5 km/h2.5 km/h
10:001.1 km/h1.1 km/h
11:002.4 km/h2.2 km/h
12:003.5 km/h10.1 km/h
13:007 km/h9.7 km/h
14:003.7 km/h8.6 km/h
15:000.8 km/h13.7 km/h

Sun and moon in Helena

Daylight: 11 h 1 min

Sunrise time
07:43
Sunset time
18:44

Solar noon (sun highest)
13:14
Dawn – dusk
07:12 / 19:15
Morning blue hour
07:12 – 07:24
Evening blue hour
19:03 – 19:15
Morning golden hour
07:24 – 08:24
Evening golden hour
18:03 – 19:03

Waxing crescent · 10% illuminated

Moonrise 11:27 · moonset 19:52

Related places

Major cities in United States

Helena weather FAQ

It is currently about -1°C in Helena, feeling like -4°C. Conditions: Clear sky, humidity 91%, wind 4 km/h.

More tools for Helena

Data source: Weather data by Open-Meteo.com (CC BY 4.0)