Clarkson, NY Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Clarkson, NY in one place.
Mostly cloudy, with a low around 43. Northwest wind around 6 mph.
Local Weather Overview
This forecast page for Clarkson, 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: May 15, 2026 2:17 AM EDT.
The active forecast window currently covers May 15 to May 21, 2026 for Clarkson, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 15 to May 21, 2026
- Latest sync
- May 15, 2026 2:17 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Clarkson
Tuesday looks like the warmest upcoming period in Clarkson at 86 degrees F.
Overnight is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 13 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 15, 2026 2:17 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BUF
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 66. Northwest wind 6 to 9 mph.
Partly cloudy, with a low around 49. Southwest wind around 8 mph.
A chance of rain showers after 2pm. Mostly sunny, with a high near 76. Southwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Mostly cloudy, with a low around 57. Southwest wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 8am. Partly sunny, with a high near 75. Northwest wind around 7 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 55. East wind 1 to 5 mph.
Mostly sunny, with a high near 84. South wind around 7 mph.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 63.
A chance of rain showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
A slight chance of rain showers before 2pm. Partly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 15
|
Mostly Cloudy
|
43°F |
6 mph
NW
|
|
Friday
May 15
|
Mostly Sunny
|
66°F |
6 to 9 mph
NW
|
|
Friday Night
May 15
|
Partly Cloudy
|
49°F |
8 mph
SW
|
|
Saturday
May 16
|
Mostly Sunny then Chance Rain Showers
|
76°F |
10 mph
SW
|
|
Saturday Night
May 16
|
Chance Rain Showers
|
57°F |
7 to 10 mph
SW
|
|
Sunday
May 17
|
Slight Chance Rain Showers then Partly Sunny
|
75°F |
7 mph
NW
|
|
Sunday Night
May 17
|
Partly Cloudy
|
55°F |
1 to 5 mph
E
|
|
Monday
May 18
|
Mostly Sunny
|
84°F |
7 mph
S
|
|
Monday Night
May 18
|
Partly Cloudy
|
66°F |
3 to 8 mph
SW
|
|
Tuesday
May 19
|
Mostly Sunny
|
86°F |
8 to 13 mph
SW
|
|
Tuesday Night
May 19
|
Slight Chance Showers And Thunderstorms
|
63°F |
10 mph
SW
|
|
Wednesday
May 20
|
Chance Rain Showers
|
77°F |
13 mph
W
|
|
Wednesday Night
May 20
|
Chance Rain Showers
|
50°F |
5 to 10 mph
W
|
|
Thursday
May 21
|
Slight Chance Rain Showers
|
66°F |
7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clarkson.