Johnstown, NY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Johnstown, NY in one place.
Showers and thunderstorms. Mostly cloudy, with a high near 69. Southwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters 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: Oct 15, 2026 6:22 PM EDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Johnstown, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 6:22 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnstown
Friday looks like the warmest upcoming period in Johnstown at 69 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday Night at about 13 to 17 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 6:22 PM EDT
- Coverage
- 6 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 before midnight. Mostly cloudy, with a low around 34. West wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 42. Northwest wind around 15 mph, with gusts as high as 29 mph.
Mostly clear, with a low around 28.
Sunny, with a high near 53.
Mostly clear, with a low around 33.
Sunny, with a high near 60.
Mostly clear, with a low around 36.
Mostly sunny, with a high near 61.
Partly cloudy, with a low around 38.
Sunny, with a high near 60.
Mostly clear, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Showers And Thunderstorms
|
69°F |
8 to 13 mph
SW
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Mostly Cloudy
|
34°F |
13 to 17 mph
W
|
|
Saturday
Oct 17
|
Mostly Sunny
|
42°F |
15 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
28°F |
3 to 10 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
53°F |
2 to 6 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
33°F |
3 mph
SW
|
|
Monday
Oct 19
|
Sunny
|
60°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
36°F |
2 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
61°F |
5 mph
W
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
38°F |
3 mph
NW
|
|
Wednesday
Oct 21
|
Sunny
|
60°F |
3 mph
NW
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
35°F |
3 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnstown.
