Johnstown, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnstown, NY in one place.
Mostly sunny, with a high near 79.
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: Jul 14, 2026 10:45 PM EDT.
The active forecast window currently covers Jul 17 to Jul 21, 2026 for Johnstown, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 10:45 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnstown
Monday looks like the warmest upcoming period in Johnstown at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Friday at about 3 to 9 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:45 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
A chance of rain showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Mostly Sunny
|
79°F |
3 to 9 mph
W
|
|
Friday Night
Jul 17
|
Partly Cloudy then Chance Rain Showers
|
58°F |
1 to 8 mph
SW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
79°F |
2 to 6 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
62°F |
5 mph
SW
|
|
Sunday
Jul 19
|
Rain Showers Likely
|
79°F |
5 to 8 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
61°F |
2 to 7 mph
W
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
2 to 7 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
63°F |
6 mph
SW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
80°F |
5 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnstown.
