Helena, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Helena, MT in one place.
Sunny, with a high near 40. West wind around 5 mph.
Local Weather Overview
This forecast page for Helena, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 11, 2026 10:58 PM MDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Helena, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 10:58 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Helena
Saturday looks like the warmest upcoming period in Helena at 64 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday Night at about 2 to 10 mph S.
The forecast from Oct 13 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 11, 2026 10:58 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 28. West southwest wind 0 to 5 mph.
Sunny, with a high near 47. South southwest wind around 5 mph.
Mostly clear, with a low around 35. Southwest wind 2 to 9 mph.
Sunny, with a high near 49. Northwest wind around 3 mph.
Mostly clear, with a low around 34.
Sunny, with a high near 57.
Mostly clear, with a low around 41.
Sunny, with a high near 64.
Partly cloudy, with a low around 44.
Sunny, with a high near 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
40°F |
5 mph
W
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
28°F |
0 to 5 mph
WSW
|
|
Wednesday
Oct 14
|
Sunny
|
47°F |
5 mph
SSW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
35°F |
2 to 9 mph
SW
|
|
Thursday
Oct 15
|
Sunny
|
49°F |
3 mph
NW
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
34°F |
0 to 5 mph
WSW
|
|
Friday
Oct 16
|
Sunny
|
57°F |
6 mph
SSE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
41°F |
2 to 10 mph
S
|
|
Saturday
Oct 17
|
Sunny
|
64°F |
8 mph
SSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
44°F |
5 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
6 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Helena.
