Olney, MT Weather Forecast
Local 7-day forecast
Patchy Fog then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Olney, MT in one place.
Patchy fog before 11am. Partly sunny, with a high near 45. South southwest wind around 3 mph.
Local Weather Overview
This forecast page for Olney, 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: Nov 6, 2026 9:18 AM MST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Olney, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:18 AM MST
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Olney
Thursday looks like the warmest upcoming period in Olney at 54 degrees F.
Sunday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 9:18 AM MST
- Coverage
- 8 days
- Time zone
- America/Denver
- Forecast office
- MSO
- Radar station
- KMSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of fog after 9pm. Mostly cloudy, with a low around 29. Southwest wind around 2 mph.
Patchy fog before 10am. Partly sunny, with a high near 50. South southeast wind around 2 mph.
Patchy fog between 8pm and 11pm, then a chance of rain. Mostly cloudy, with a low around 31. Southeast wind 1 to 6 mph. Chance of precipitation is 30%.
A chance of rain before 11am. Mostly cloudy, with a high near 47. Southwest wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Areas of fog after 2am. Mostly cloudy, with a low around 24.
Areas of fog before 10am. Mostly sunny, with a high near 45.
Areas of fog between 7pm and 5am, then areas of fog and a slight chance of rain and snow. Mostly cloudy, with a low around 28.
Areas of fog and a chance of rain and snow. Mostly cloudy, with a high near 47.
A chance of rain before 7pm, then a chance of rain and patchy fog between 7pm and 8pm, then areas of fog and a chance of rain between 8pm and 11pm, then a chance of rain and patchy fog. Mostly cloudy, with a low around 31.
Patchy fog before 9am. Partly sunny, with a high near 53.
Mostly cloudy, with a low around 32.
A chance of rain after 11am. Partly sunny, with a high near 54.
A chance of rain. Mostly cloudy, with a low around 31.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Patchy Fog then Partly Sunny
|
45°F |
3 mph
SSW
|
|
Tonight
Nov 6
|
Areas Of Fog
|
29°F |
2 mph
SW
|
|
Saturday
Nov 7
|
Patchy Fog then Partly Sunny
|
50°F |
2 mph
SSE
|
|
Saturday Night
Nov 7
|
Patchy Fog then Chance Light Rain
|
31°F |
1 to 6 mph
SE
|
|
Sunday
Nov 8
|
Chance Light Rain then Mostly Cloudy
|
47°F |
5 to 10 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy then Areas Of Fog
|
24°F |
0 to 5 mph
SW
|
|
Monday
Nov 9
|
Areas Of Fog then Mostly Sunny
|
45°F |
1 mph
ENE
|
|
Monday Night
Nov 9
|
Areas Of Fog
|
28°F |
0 mph
|
|
Tuesday
Nov 10
|
Areas Of Fog
|
47°F |
0 to 3 mph
S
|
|
Tuesday Night
Nov 10
|
Chance Light Rain
|
31°F |
2 mph
S
|
|
Veterans Day
Nov 11
|
Patchy Fog then Partly Sunny
|
53°F |
2 mph
S
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
32°F |
1 mph
SSE
|
|
Thursday
Nov 12
|
Chance Light Rain
|
54°F |
2 mph
SE
|
|
Thursday Night
Nov 12
|
Chance Light Rain
|
31°F |
2 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Olney.