Jefferson County, ID Weather Forecast
County weather hub
Cloudy then Slight Chance Light Rain
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain after 4am. Cloudy. Low around 49, with temperatures rising to around 51 overnight. Southwest wind 15 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Jefferson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Jefferson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 8 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 12:56 AM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Friday looks like the warmest upcoming period in Jefferson County at 81 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Tuesday at about 24 to 36 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 12:56 AM MDT
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KSFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain before 8am. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. Southwest wind 24 to 36 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.
Mostly clear. Low around 37, with temperatures rising to around 39 overnight. West southwest wind 10 to 33 mph, with gusts as high as 41 mph.
Mostly sunny, with a high near 66. West southwest wind 17 to 24 mph, with gusts as high as 33 mph.
Mostly clear, with a low around 33. North northwest wind 6 to 17 mph, with gusts as high as 24 mph.
Sunny, with a high near 72.
Clear, with a low around 39.
Sunny, with a high near 81.
Clear, with a low around 45.
Sunny, with a high near 81.
Mostly clear, with a low around 46.
Sunny, with a high near 80.
Mostly clear, with a low around 46.
Sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jun 8
|
Cloudy then Slight Chance Light Rain
|
49°F |
15 to 26 mph
SW
|
|
Tuesday
Jun 9
|
Slight Chance Light Rain then Mostly Sunny
|
69°F |
24 to 36 mph
SW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
37°F |
10 to 33 mph
WSW
|
|
Wednesday
Jun 10
|
Mostly Sunny
|
66°F |
17 to 24 mph
WSW
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
33°F |
6 to 17 mph
NNW
|
|
Thursday
Jun 11
|
Sunny
|
72°F |
2 to 9 mph
S
|
|
Thursday Night
Jun 11
|
Clear
|
39°F |
5 to 14 mph
SSW
|
|
Friday
Jun 12
|
Sunny
|
81°F |
3 to 9 mph
NNW
|
|
Friday Night
Jun 12
|
Clear
|
45°F |
10 to 14 mph
W
|
|
Saturday
Jun 13
|
Sunny
|
81°F |
8 mph
NE
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
46°F |
12 to 24 mph
NE
|
|
Sunday
Jun 14
|
Sunny
|
80°F |
12 to 18 mph
NNE
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
46°F |
12 to 17 mph
NE
|
|
Monday
Jun 15
|
Sunny
|
81°F |
8 to 12 mph
ENE
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Jefferson County.
Largest mapped city population in this region: 4,292.
