Lewis County, NY Weather Forecast

County weather hub

90°
F

Sunny

Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Tuesday, July 14, 2026
Wind: 5 to 15 mph SW
Tuesday

Sunny, with a high near 90. Southwest wind 5 to 15 mph, with gusts as high as 28 mph.

County weather hub

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
Next High
90°F
Tuesday
Next Low
69°F
Tuesday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
5 to 15 mph
Tuesday

Daily Outlook

Today
Jul 14
Sunny
90 °F
/ 69°F
Wind 5 to 15 mph
Wed
Jul 15
Sunny
86 °F
/ 59°F
Wind 7 to 13 mph
Thu
Jul 16
Sunny
82 °F
/ 58°F
Wind 2 to 9 mph
Fri
Jul 17
Mostly Sunny then Slight Chance Rain Showers
81 °F
/ 57°F
Wind 2 to 8 mph
Sat
Jul 18
Chance Rain Showers
80 °F
Wind 1 to 7 mph

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 source

Extended Forecast

Tuesday Night
Jul 14
69°F
Mostly Clear
9 to 15 mph W

Mostly clear, with a low around 69. West wind 9 to 15 mph, with gusts as high as 28 mph.

Wednesday
Jul 15
86°F
Sunny
7 to 13 mph W

Sunny, with a high near 86. West wind 7 to 13 mph, with gusts as high as 23 mph.

Wednesday Night
Jul 15
59°F
Partly Cloudy
2 to 12 mph NW

Partly cloudy, with a low around 59.

Thursday
Jul 16
82°F
Sunny
2 to 9 mph W

Sunny, with a high near 82.

Thursday Night
Jul 16
58°F
Partly Cloudy
2 to 8 mph W

Partly cloudy, with a low around 58.

Friday
Jul 17
81°F
Mostly Sunny then Slight Chance Rain Showers
2 to 8 mph NW

A slight chance of rain showers after 2pm. Mostly sunny, with a high near 81.

Friday Night
Jul 17
57°F
Chance Rain Showers
1 to 6 mph W

A chance of rain showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

Saturday
Jul 18
80°F
Chance Rain Showers
1 to 7 mph SW

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

Coverage

Tracked cities
4
Coverage
100%

Forecast coverage currently spans 4 of 4 mapped cities in Lewis County.

Largest mapped city population in this region: 2,624.

Soldier%27s Monument of Lowville  NY in the Fall.
Soldier%27s Monument of Lowville NY in the Fall. image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.