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 64. Southwest wind 7 to 10 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
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 12:11 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Thursday looks like the warmest upcoming period in Jefferson County at 69 degrees F.
Friday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 10 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 12:11 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 54. Southwest wind around 9 mph.
A chance of rain showers after 2pm. Mostly sunny, with a high near 66. Southwest wind around 8 mph. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 52. Northwest wind 2 to 6 mph. Chance of precipitation is 30%.
Sunny, with a high near 69.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny
|
64°F |
7 to 10 mph
SW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
54°F |
9 mph
SW
|
|
Wednesday
May 27
|
Mostly Sunny then Chance Rain Showers
|
66°F |
8 mph
SW
|
|
Wednesday Night
May 27
|
Chance Rain Showers then Partly Cloudy
|
52°F |
2 to 6 mph
NW
|
|
Thursday
May 28
|
Sunny
|
69°F |
5 to 9 mph
NW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
49°F |
2 to 7 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
66°F |
5 to 9 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
48°F |
2 to 7 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
67°F |
3 to 8 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
50°F |
1 to 6 mph
W
|
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.
