Lewis County, NY Weather Forecast
County weather hub
Chance Rain Showers
Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 2pm. Partly sunny, with a high near 60. North wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 2:16 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis County
Wednesday looks like the warmest upcoming period in Lewis County at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday at about 13 mph N.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 2:16 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 42. Northwest wind 1 to 9 mph.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 67. West wind 2 to 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 46. Chance of precipitation is 40%.
A chance of rain showers after 8am. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Chance Rain Showers
|
60°F |
13 mph
N
|
|
Saturday Night
May 30
|
Mostly Clear
|
42°F |
1 to 9 mph
NW
|
|
Sunday
May 31
|
Mostly Sunny then Chance Showers And Thunderstorms
|
67°F |
2 to 8 mph
W
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
45°F |
1 to 6 mph
W
|
|
Monday
Jun 1
|
Chance Rain Showers
|
67°F |
2 to 7 mph
N
|
|
Monday Night
Jun 1
|
Chance Rain Showers then Partly Cloudy
|
46°F |
1 to 5 mph
N
|
|
Tuesday
Jun 2
|
Chance Rain Showers
|
69°F |
1 to 7 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Rain Showers then Partly Cloudy
|
47°F |
1 to 5 mph
N
|
|
Wednesday
Jun 3
|
Slight Chance Rain Showers
|
72°F |
1 to 6 mph
N
|
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.
