Jefferson County, ID Weather Forecast
County weather hub
Chance 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 chance of rain. Cloudy, with a high near 53. Southeast wind around 3 mph. Chance of precipitation is 50%.
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
- Oct 31 to Nov 5, 2026
- Latest sync
- Oct 30, 2026 4:35 AM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Saturday looks like the warmest upcoming period in Jefferson County at 53 degrees F.
Monday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Sunday Night at about 6 to 10 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 30, 2026 4:35 AM MDT
- Coverage
- 6 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
Rain. Cloudy, with a low around 37. East wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Rain before 2pm, then rain and patchy fog. Cloudy, with a high near 51. Chance of precipitation is 100%.
Rain likely before 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Patchy fog between 8am and 10am. Mostly sunny, with a high near 50.
Partly cloudy, with a low around 28.
Partly sunny, with a high near 47.
Partly cloudy, with a low around 29.
Partly sunny, with a high near 52.
Mostly cloudy, with a low around 30.
Partly sunny, with a high near 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 31
|
Chance Rain
|
53°F |
3 mph
SE
|
|
Saturday Night
Oct 31
|
Light Rain
|
37°F |
5 to 9 mph
E
|
|
Sunday
Nov 1
|
Light Rain
|
51°F |
6 to 9 mph
SSE
|
|
Sunday Night
Nov 1
|
Light Rain Likely
|
32°F |
6 to 10 mph
W
|
|
Monday
Nov 2
|
Patchy Fog then Mostly Sunny
|
50°F |
7 mph
W
|
|
Monday Night
Nov 2
|
Partly Cloudy
|
28°F |
2 to 7 mph
SW
|
|
Tuesday
Nov 3
|
Partly Sunny
|
47°F |
3 mph
NE
|
|
Tuesday Night
Nov 3
|
Partly Cloudy
|
29°F |
3 to 7 mph
NNE
|
|
Wednesday
Nov 4
|
Partly Sunny
|
52°F |
5 mph
N
|
|
Wednesday Night
Nov 4
|
Mostly Cloudy
|
30°F |
1 to 7 mph
W
|
|
Thursday
Nov 5
|
Partly Sunny
|
50°F |
3 mph
SW
|
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.
