Onondaga County, NY Weather Forecast
County weather hub
Scattered Showers And Thunderstorms
Compare major city weather across Onondaga County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Scattered showers and thunderstorms. Cloudy, with a low around 56. Southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Onondaga County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 9 of 9 mapped cities in Onondaga County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 31, 2026
- Latest sync
- Aug 24, 2026 11:46 PM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Onondaga County
Thursday looks like the warmest upcoming period in Onondaga County at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday Night at about 5 to 12 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 11:46 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BGM
- Radar station
- KBGM
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 before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then isolated showers and thunderstorms. Mostly cloudy, with a high near 71. West wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly cloudy, with a low around 56. West wind 3 to 8 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 78. Southwest wind around 5 mph.
Partly cloudy, with a low around 65. South wind 5 to 12 mph.
A slight chance of rain showers between 8am and 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
A chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 55.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 79.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Aug 24
|
Scattered Showers And Thunderstorms
|
56°F |
9 mph
SW
|
|
Tuesday
Aug 25
|
Chance Showers And Thunderstorms
|
71°F |
10 mph
W
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
56°F |
3 to 8 mph
W
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
78°F |
5 mph
SW
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
65°F |
5 to 12 mph
S
|
|
Thursday
Aug 27
|
Slight Chance Showers And Thunderstorms
|
82°F |
8 to 12 mph
S
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely
|
62°F |
3 to 7 mph
SW
|
|
Friday
Aug 28
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
77°F |
3 to 8 mph
W
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
55°F |
1 to 7 mph
W
|
|
Saturday
Aug 29
|
Mostly Sunny
|
75°F |
1 to 6 mph
W
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
55°F |
3 mph
E
|
|
Sunday
Aug 30
|
Mostly Sunny
|
79°F |
6 mph
SW
|
|
Sunday Night
Aug 30
|
Chance Rain Showers
|
62°F |
6 mph
SW
|
|
Monday
Aug 31
|
Chance Rain Showers
|
80°F |
8 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Onondaga County.
Coverage
Forecast coverage currently spans 9 of 9 mapped cities in Onondaga County.
Largest mapped city population in this region: 141,229.
