Johnstown, NY Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Johnstown, NY in one place.
Mostly clear, with a low around 45. Southwest wind 0 to 3 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Johnstown, 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: Jun 1, 2026 9:34 PM EDT.
The active forecast window currently covers Jun 1 to Jun 8, 2026 for Johnstown, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 8, 2026
- Latest sync
- Jun 1, 2026 9:34 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnstown
Friday looks like the warmest upcoming period in Johnstown at 81 degrees F.
Tonight is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 9:34 PM EDT
- Coverage
- 8 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
Mostly sunny, with a high near 72. Northwest wind 3 to 9 mph.
Partly cloudy, with a low around 48. Northwest wind 3 to 8 mph.
Sunny, with a high near 77. West wind 5 to 9 mph.
Clear, with a low around 52. West wind 2 to 9 mph.
Sunny, with a high near 79.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 81.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 60.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jun 1
|
Mostly Clear
|
45°F |
0 to 3 mph
SW
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
72°F |
3 to 9 mph
NW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
48°F |
3 to 8 mph
NW
|
|
Wednesday
Jun 3
|
Sunny
|
77°F |
5 to 9 mph
W
|
|
Wednesday Night
Jun 3
|
Clear
|
52°F |
2 to 9 mph
W
|
|
Thursday
Jun 4
|
Sunny
|
79°F |
3 to 8 mph
W
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
55°F |
2 to 7 mph
W
|
|
Friday
Jun 5
|
Mostly Sunny
|
81°F |
2 to 9 mph
W
|
|
Friday Night
Jun 5
|
Mostly Cloudy then Slight Chance Rain Showers
|
60°F |
3 to 7 mph
W
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
80°F |
3 to 9 mph
W
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
59°F |
2 to 7 mph
S
|
|
Sunday
Jun 7
|
Chance Rain Showers
|
75°F |
3 to 7 mph
E
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
55°F |
6 mph
E
|
|
Monday
Jun 8
|
Chance Rain Showers
|
69°F |
5 to 8 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnstown.
