Jefferson County, NY Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 53. Northeast wind 6 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
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 8:08 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Monday looks like the warmest upcoming period in Jefferson County at 59 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday Night at about 20 to 26 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 8:08 PM EDT
- Coverage
- 6 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
Rain showers after 8pm. Mostly cloudy, with a low around 48. East wind 6 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers before 8am, then showers and thunderstorms. Cloudy, with a high near 55. Southwest wind 17 to 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Northwest wind 20 to 26 mph. Chance of precipitation is 80%.
A chance of rain and snow showers before 8am. Partly sunny, with a high near 45. Northwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 34.
Mostly sunny, with a high near 53.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 59.
Mostly cloudy, with a low around 45.
Mostly sunny, with a high near 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Partly Sunny
|
53°F |
6 to 12 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers
|
48°F |
6 to 18 mph
E
|
|
Friday
Oct 16
|
Showers And Thunderstorms
|
55°F |
17 to 25 mph
SW
|
|
Friday Night
Oct 16
|
Rain Showers then Chance Rain And Snow Showers
|
32°F |
20 to 26 mph
NW
|
|
Saturday
Oct 17
|
Chance Rain And Snow Showers then Partly Sunny
|
45°F |
17 to 21 mph
NW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
34°F |
5 to 15 mph
W
|
|
Sunday
Oct 18
|
Mostly Sunny
|
53°F |
6 to 14 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
41°F |
8 to 14 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
59°F |
15 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
45°F |
3 to 12 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
59°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.
