Weather in Helena

United States · Montana · 46.5927, -112.0361

Today Now 3:25 PM

+45° Mostly clear

Hourly forecast

Today10/13 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — Helena

Forecast in words

Today

Expect clear. Daytime high +45°, overnight low +32°. Light wind, up to 4 mph. No rain expected.

Tomorrow

Tomorrow high +52° and mostly clear, nighttime low +30° — 7° warmer than today.

Week

Seven days ahead fall within +30°…+68°. Weekly maximum — +68° (Sat). Nighttime weekly low: +30° (Wed). No rain in the forecast. Cloudless weather for 7 days. Second half of the week is warmer than the first.

Week vs norm

  1. Today 10/13 +45° −12° usually +57°
  2. Tomorrow 10/14 +52° −4° usually +56°
  3. Thu 10/15 +52° −4° usually +56°
  4. Fri 10/16 +63° +7° usually +55°
  5. Sat 10/17 +68° +13° usually +55°
  6. Sun 10/18 +57° +3° usually +54°
  7. Mon 10/19 +66° +13° usually +53°
  8. Tue 10/20 +57° +4° usually +53°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 13

Today is cooler than usual for this date.

  • Heat record +69° 2015
  • Cold record +15° 2008
  • Most precipitation 0.2 in 2000
  • Strongest gust 49 mph 2001

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in Helena

Today is about 10° colder than usual for October.

Climate normals by month, Helena
Month Daytime / Nighttime Average Precipitation in
Jan +27° / +12° +19° 1.1
Feb +31° / +13° +21° 1.2
Mar +42° / +22° +30° 1.5
Apr +51° / +30° +39° 2.4
May +63° / +40° +51° 3.1
Jun +73° / +47° +59° 3.4
Jul +85° / +55° +69° 1.5
Aug +84° / +55° +68° 1.4
Sep +73° / +46° +58° 1.6
Oct +55° / +35° +43° 1.6
Nov +38° / +23° +29° 1.3
Dec +28° / +13° +19° 1.3

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 7:43 AM | 6:44 PM
Moon 11:22 AM | 7:46 PM
Moon phase Waxing crescent 10%
Next solar eclipse
Calculating for this city…

Weather in the region