Jefferson County, NY Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 43. West wind 7 to 12 mph.
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
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:44 PM 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 61 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Sunday Night at about 13 to 20 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:44 PM EDT
- Coverage
- 5 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
Partly cloudy, with a low around 33. Southwest wind 3 to 9 mph.
A chance of rain showers after 2pm. Mostly cloudy, with a high near 53. Southeast wind 5 to 14 mph. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a low around 49. South wind 13 to 20 mph. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny
|
43°F |
7 to 12 mph
W
|
|
Saturday Night
Apr 11
|
Partly Cloudy
|
33°F |
3 to 9 mph
SW
|
|
Sunday
Apr 12
|
Mostly Cloudy then Chance Rain Showers
|
53°F |
5 to 14 mph
SE
|
|
Sunday Night
Apr 12
|
Rain Showers Likely
|
49°F |
13 to 20 mph
S
|
|
Monday
Apr 13
|
Rain Showers Likely
|
57°F |
16 mph
SW
|
|
Monday Night
Apr 13
|
Rain Showers Likely
|
50°F |
7 to 13 mph
SW
|
|
Tuesday
Apr 14
|
Chance Rain Showers
|
60°F |
9 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
50°F |
8 mph
S
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
61°F |
10 mph
S
|
|
Wednesday Night
Apr 15
|
Rain Showers Likely
|
47°F |
10 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.