Saint Johnsville, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Johnsville, NY in one place.
Mostly sunny, with a high near 77. Southwest wind 0 to 8 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: May 24, 2026 1:05 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Saint Johnsville, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:05 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Johnsville
Tuesday looks like the warmest upcoming period in Saint Johnsville at 77 degrees F.
Friday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 3 to 13 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:05 PM EDT
- Coverage
- 5 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 57.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 52.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 47.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 64.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 46.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny
|
77°F |
0 to 8 mph
SW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
57°F |
2 to 7 mph
SW
|
|
Wednesday
May 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
75°F |
2 to 12 mph
W
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
52°F |
2 to 9 mph
NW
|
|
Thursday
May 28
|
Mostly Sunny
|
68°F |
3 to 13 mph
NW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
47°F |
2 to 9 mph
NW
|
|
Friday
May 29
|
Mostly Sunny then Slight Chance Rain Showers
|
64°F |
2 to 12 mph
NW
|
|
Friday Night
May 29
|
Slight Chance Rain Showers then Partly Cloudy
|
46°F |
1 to 8 mph
NW
|
|
Saturday
May 30
|
Mostly Sunny
|
64°F |
1 to 9 mph
NW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
47°F |
1 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Johnsville.