Theresa, NY Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Theresa, NY in one place.
A chance of rain showers after 2pm. Mostly sunny, with a high near 74. South wind 3 to 10 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Theresa, 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: Apr 15, 2026 9:02 AM EDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Theresa, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 9:02 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Theresa
Saturday looks like the warmest upcoming period in Theresa at 74 degrees F.
Monday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Sunday at about 13 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 9:02 AM EDT
- Coverage
- 4 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
A chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 41. South wind around 10 mph. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
A chance of rain showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
A slight chance of snow showers before 2pm. Partly sunny, with a high near 40.
Partly cloudy, with a low around 27.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 50.
A chance of rain showers. Mostly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Sunny then Chance Rain Showers
|
74°F |
3 to 10 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
41°F |
10 mph
S
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
52°F |
13 mph
SW
|
|
Sunday Night
Apr 19
|
Chance Snow Showers
|
28°F |
12 mph
W
|
|
Monday
Apr 20
|
Slight Chance Snow Showers
|
40°F |
12 mph
W
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
27°F |
5 to 10 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny then Slight Chance Rain Showers
|
50°F |
6 to 10 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
38°F |
8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Theresa.