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United States weather

10 day weather forecast for Johnstown

Tuesday, July 21st, 2026, at 16:53
today
Sunny
31° 17°
tomorrow
Sunny
22° 10°
Thursday
Sunny
24° 7°
Friday
Sunny
25° 11°
Saturday
Sunny
26° 13°
Sunday
Patchy rain possible
25° 17°
Monday
Fog
28° 15°
 More Details See
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Johnstown Weather Pages

Johnstown weather forecast

The weather forecast for Johnstown for today indicates very wet conditions with temperatures around 31 °C.

Rain is expected from Tuesday until Wednesday.

Wind speeds are expected to be strong, averaging around 21 km/h.

On Wednesday, expect a change in weather with temperatures reaching 22°C, and light showers with a 66% chance.

Weather today
Johnstown weather forecast

Johnstown 14 days weather forecast

This weeks weather in Johnstown. Click on a date for detailed forecasts
Tue. 21
31°
17°
Sunny
16.8 mm
Wed. 22
22°
10°
Sunny
1.7 mm
Thu. 23
24°
7°
Sunny
0 mm
Fri. 24
25°
11°
Sunny
0 mm
Sat. 25
26°
13°
Sunny
0 mm
Sun. 26
25°
17°
Patchy rain possible
19.6 mm
Mon. 27
28°
15°
Fog
4.8 mm
Tue. 28
24°
17°
Light drizzle
4.3 mm
Wed. 29
23°
11°
Patchy rain possible
2.3 mm
Thu. 30
26°
11°
Sunny
0 mm
Fri. 31
23°
14°
Sunny
15.8 mm
Sat. 1
18°
11°
Light rain shower
7.5 mm
Sun. 2
22°
10°
Sunny
0.1 mm
Mon. 3
23°
7°
Sunny
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
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
28°
2
Fog
29°
3
Thundery outbreaks possible
30°
4
Sunny
30°
5
Cloudy
28°
6
Overcast
28°
7
Patchy light rain with thunder
29°
8
Light rain shower
27°
9
Fog
28°
10
Moderate or heavy rain shower
27°
11
Light rain shower
28°
12
Patchy light rain with thunder
29°
13
Fog
29°
14
Fog
29°
15
Fog
31°
16
Moderate or heavy rain shower
28°
17
Light rain shower
28°
18
Mist
26°
19
Fog
25°
20
Light rain shower
27°
21
Sunny
31°
22
Sunny
22°
23
Sunny
24°
24
Sunny
25°
25
Sunny
26°
26
Patchy rain possible
25°
27
Fog
28°
28
Light drizzle
24°
29
Patchy rain possible
23°
30
Sunny
26°
31
Sunny
23°
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

The chart displays the expected rainfall values (in mm) over the next 14 days in Johnstown, highlighting variations in precipitation levels for specific dates. ☔

Johnstown Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Johnstown over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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 7 °C on the coldest nights up to about 31 °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 9 of the next 14 days in Johnstown, with roughly 72.9 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 22 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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