Saint Johnsville, NY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Johnsville, NY in one place.
Partly sunny, with a high near 76. Southwest wind around 6 mph.
Local Weather Overview
This forecast page for Saint Johnsville, 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: Aug 25, 2026 9:05 PM EDT.
The active forecast window currently covers Aug 26 to Sep 1, 2026 for Saint Johnsville, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 26 to Sep 1, 2026
- Latest sync
- Aug 25, 2026 9:05 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Johnsville
Thursday looks like the warmest upcoming period in Saint Johnsville at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Thursday at about 8 to 13 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 25, 2026 9:05 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 59. South wind 5 to 8 mph.
Showers and thunderstorms after 2pm. Partly sunny, with a high near 79. South wind 8 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 52.
Sunny, with a high near 74.
Mostly clear, with a low around 52.
Sunny, with a high near 77.
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
A slight chance of rain showers. Partly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 26
|
Partly Sunny
|
76°F |
6 mph
SW
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
59°F |
5 to 8 mph
S
|
|
Thursday
Aug 27
|
Partly Sunny then Showers And Thunderstorms
|
79°F |
8 to 13 mph
S
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms
|
60°F |
6 to 10 mph
SW
|
|
Friday
Aug 28
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
75°F |
5 to 9 mph
W
|
|
Friday Night
Aug 28
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
52°F |
1 to 9 mph
W
|
|
Saturday
Aug 29
|
Sunny
|
74°F |
1 to 7 mph
NW
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
52°F |
1 to 5 mph
SW
|
|
Sunday
Aug 30
|
Sunny
|
77°F |
2 to 7 mph
SW
|
|
Sunday Night
Aug 30
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
60°F |
2 to 6 mph
SW
|
|
Monday
Aug 31
|
Slight Chance Showers And Thunderstorms
|
79°F |
6 to 9 mph
SW
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms
|
61°F |
6 mph
SW
|
|
Tuesday
Sep 1
|
Slight Chance Rain Showers
|
77°F |
5 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Johnsville.