Lewis County, NY Weather Forecast
County weather hub
Sunny
Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 90. Southwest wind 5 to 15 mph, with gusts as high as 28 mph.
County Weather Overview
This county weather page brings together forecast coverage for Lewis 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 Lewis County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 3:58 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis County
Tuesday looks like the warmest upcoming period in Lewis County at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 3:58 AM 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
Mostly clear, with a low around 69. West wind 9 to 15 mph, with gusts as high as 28 mph.
Sunny, with a high near 86. West wind 7 to 13 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 59.
Sunny, with a high near 82.
Partly cloudy, with a low around 58.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 81.
A chance of rain showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
90°F |
5 to 15 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
9 to 15 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
86°F |
7 to 13 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
59°F |
2 to 12 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
82°F |
2 to 9 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
58°F |
2 to 8 mph
W
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
2 to 8 mph
NW
|
|
Friday Night
Jul 17
|
Chance Rain Showers
|
57°F |
1 to 6 mph
W
|
|
Saturday
Jul 18
|
Chance Rain Showers
|
80°F |
1 to 7 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Lewis County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Lewis County.
Largest mapped city population in this region: 2,624.
