Lewis County, NY Weather Forecast
County weather hub
Mostly Clear then Patchy Smoke
Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy smoke after 5am. Mostly clear, with a low around 69. West wind 7 to 13 mph, with gusts as high as 25 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 21, 2026
- Latest sync
- Jul 14, 2026 10:19 PM 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 84 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tonight at about 7 to 13 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:19 PM EDT
- Coverage
- 7 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
Patchy smoke. Mostly sunny, with a high near 84. Northwest wind 5 to 10 mph.
Patchy smoke before 8pm. Mostly clear, with a low around 61. West wind 1 to 9 mph.
Sunny, with a high near 83. West wind 2 to 13 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 54. Northwest wind 1 to 10 mph.
Sunny, with a high near 78. North wind 1 to 6 mph.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 56. Southwest wind around 3 mph.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 80. South wind around 6 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
A chance of rain showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
A slight chance of rain showers. Partly cloudy, with a low around 59.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jul 14
|
Mostly Clear then Patchy Smoke
|
69°F |
7 to 13 mph
W
|
|
Wednesday
Jul 15
|
Patchy Smoke
|
84°F |
5 to 10 mph
NW
|
|
Wednesday Night
Jul 15
|
Patchy Smoke then Mostly Clear
|
61°F |
1 to 9 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
83°F |
2 to 13 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
54°F |
1 to 10 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
78°F |
1 to 6 mph
N
|
|
Friday Night
Jul 17
|
Partly Cloudy then Slight Chance Rain Showers
|
56°F |
3 mph
SW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
80°F |
6 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
58°F |
5 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
80°F |
2 to 7 mph
NW
|
|
Sunday Night
Jul 19
|
Slight Chance Rain Showers
|
59°F |
1 to 5 mph
W
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
82°F |
1 to 7 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
60°F |
6 mph
SW
|
|
Tuesday
Jul 21
|
Rain Showers Likely
|
79°F |
6 to 9 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.
