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United States weather

10 day weather forecast for Johnstown

Tuesday, October 27th, 2026, at 05:34 PM
Today
Sunny
19° 6°
Tomorrow
Sunny
19° 7°
Thursday
Sunny
20° 7°
Friday
Sunny
16° 6°
Saturday
Overcast
16° 4°
Sunday
Overcast
17° 7°
Monday
Moderate rain
15° 10°
 More Details See
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Johnstown Weather Pages

Johnstown weather forecast

The weather forecast for Johnstown over the next 5 days indicates comfortable conditions with temperatures ranging from 16 °C to 20 °C, accompanied by a gentle breeze.

Weather today

Johnstown 14 days weather forecast

This weeks weather in Johnstown. Click on a date for detailed forecasts
Tue. 27
19°
6°
Sunny
0 mm
Wed. 28
19°
7°
Sunny
0 mm
Thu. 29
20°
7°
Sunny
0 mm
Fri. 30
16°
6°
Sunny
0 mm
Sat. 31
16°
4°
Overcast
0.1 mm
Sun. 1
17°
7°
Overcast
0.6 mm
Mon. 2
15°
10°
Moderate rain
11.6 mm
Tue. 3
17°
10°
Patchy rain possible
2.2 mm
Wed. 4
15°
11°
Patchy rain possible
1.6 mm
Thu. 5
17°
11°
Moderate rain
17.2 mm
Fri. 6
14°
6°
Moderate rain
21.1 mm
Sat. 7
7°
4°
Patchy rain possible
0.2 mm
Sun. 8
9°
2°
Partly cloudy
0 mm
Mon. 9
15°
6°
Overcast
0 mm
Further Ahead
Select a date

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Access Johnstown weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Johnstown long range weather forecast

30 day weather forecast for Johnstown
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
23°
2
Patchy rain possible
21°
3
Partly cloudy
19°
4
Partly cloudy
22°
5
Mist
21°
6
Mist
18°
7
Heavy rain
19°
8
Moderate rain
18°
9
Sunny
16°
10
Sunny
17°
11
Moderate rain
14°
12
Fog
15°
13
Overcast
17°
14
Light rain
19°
15
Fog
14°
16
Light rain
18°
17
Partly cloudy
12°
18
Cloudy
18°
19
Moderate rain
17°
20
Heavy rain
15°
21
Overcast
16°
22
Overcast
12°
23
Overcast
12°
24
Cloudy
11°
25
Partly cloudy
13°
26
Overcast
14°
27
Sunny
19°
28
Sunny
19°
29
Sunny
20°
30
Sunny
16°
31
Overcast
16°
Important Notice
Our Johnstown long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Johnstown

A total of 54.6 mm is expected over 5 rainy days. The wettest day is Friday 6, with 21.1 mm. Click a day for details.
Tue. 27
0 mm
13%
Wed. 28
0 mm
17%
Thu. 29
0 mm
8%
Fri. 30
0 mm
11%
Sat. 31
0.1
0.1 mm
22%
Sun. 1
0.6
0.6 mm
43%
Mon. 2
11.6
11.6 mm
90%
Tue. 3
2.2
2.2 mm
82%
Wed. 4
1.6
1.6 mm
74%
Thu. 5
17.2
17.2 mm
91%
Fri. 6
21.1
21.1 mm
94%
Sat. 7
0.2
0.2 mm
25%
Sun. 8
0 mm
17%
Mon. 9
0 mm
18%

Frequently asked questions about the weather in Johnstown

How warm is it in Johnstown over the next 14 days?
Over the next two weeks, temperatures in Johnstown are expected to range from around 2 °C on the coldest nights up to about 20 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Johnstown in the next two weeks?
Yes - rain is expected on about 5 of the next 14 days in Johnstown, with roughly 54.6 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Johnstown?
Maximum wind speeds in Johnstown are forecast to reach about 21.2 km/h at their peak over the next 14 days.

When is the best time to visit Johnstown?
For a month-by-month look at temperatures and rainfall, see our best time to visit Johnstown guide.

How accurate is the 14-day forecast for Johnstown?
Our Johnstown forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Location coordinates Where is Johnstown?

Get accurate weather forecasts for Johnstown, located at latitude 40.327 and longitude -78.922. Stay updated with localized weather information tailored for Johnstown.

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