Lewis, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lewis, NY in one place.
Sunny, with a high near 77. Northwest wind around 6 mph.
Local Weather Overview
This forecast page for Lewis, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 16, 2026 6:57 PM EDT.
The active forecast window currently covers Jul 17 to Jul 22, 2026 for Lewis, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 6:57 PM EDT
- Forecast office
- BTV
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis
Saturday looks like the warmest upcoming period in Lewis at 80 degrees F.
Sunday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday Night at about 6 to 12 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 6:57 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BTV
- Radar station
- KCXX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 56. Southwest wind 1 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between 7am and 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 60. West wind 6 to 12 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers before 8am. Mostly sunny, with a high near 73. Northwest wind around 12 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Mostly clear, with a low around 55. West wind 3 to 10 mph, with gusts as high as 22 mph.
Sunny, with a high near 80. Southwest wind 1 to 6 mph.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 61. South wind 3 to 9 mph.
A chance of rain showers. Partly sunny, with a high near 79. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 62. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 76. West wind around 8 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind 2 to 7 mph. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny
|
77°F |
6 mph
NW
|
|
Friday Night
Jul 17
|
Mostly Cloudy
|
56°F |
1 to 5 mph
SW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms
|
80°F |
5 to 9 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
60°F |
6 to 12 mph
W
|
|
Sunday
Jul 19
|
Chance Rain Showers then Mostly Sunny
|
73°F |
12 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
55°F |
3 to 10 mph
W
|
|
Monday
Jul 20
|
Sunny
|
80°F |
1 to 6 mph
SW
|
|
Monday Night
Jul 20
|
Partly Cloudy then Slight Chance Rain Showers
|
61°F |
3 to 9 mph
S
|
|
Tuesday
Jul 21
|
Chance Rain Showers
|
79°F |
10 mph
S
|
|
Tuesday Night
Jul 21
|
Chance Rain Showers
|
62°F |
6 to 9 mph
SW
|
|
Wednesday
Jul 22
|
Chance Showers And Thunderstorms
|
76°F |
8 mph
W
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
59°F |
2 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewis.