Jefferson County, NY Weather Forecast
County weather hub
Chance Rain Showers
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 showers. Partly sunny, with a high near 71. 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 4 of 4 mapped cities in Jefferson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 26, 2026
- Latest sync
- Aug 20, 2026 9:20 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Wednesday looks like the warmest upcoming period in Jefferson County at 77 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Monday at about 7 to 14 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 20, 2026 9:20 AM EDT
- Coverage
- 3 days
- Time zone
- America/New_York
- Forecast office
- BUF
- Radar station
- KTYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Partly cloudy, with a low around 52. Chance of precipitation is 40%.
A slight chance of rain showers. Mostly sunny, with a high near 73.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 55.
Mostly sunny, with a high near 77.
A chance of rain showers after 8pm. Partly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Chance Rain Showers
|
71°F |
7 to 14 mph
W
|
|
Monday Night
Aug 24
|
Chance Rain Showers
|
52°F |
3 to 10 mph
W
|
|
Tuesday
Aug 25
|
Slight Chance Rain Showers
|
73°F |
5 to 12 mph
W
|
|
Tuesday Night
Aug 25
|
Slight Chance Rain Showers then Partly Cloudy
|
55°F |
3 to 9 mph
SW
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
77°F |
5 to 9 mph
SW
|
|
Wednesday Night
Aug 26
|
Chance Rain Showers
|
58°F |
3 to 7 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Jefferson County.
Largest mapped city population in this region: 5,876.
