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United States weather

Weather in Johnstown, Pennsylvania for April 2026

Your guide to Johnstown weather in April - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Johnstown usually enjoys a light touch of snow in April.

    • Temperatures

  • In general, the average temperature in Johnstown at the beginning of April is 13.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.4 °F by the end of April.

    • Rain 🌧️

  • Johnstown in April brings notable rainfall, with an average of 18 rainy days and a total precipitation of 162.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
18
Rainy days
Average snowy days
2
Snow days
Average temperatures
15°/5°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Johnstown Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
8°
2
Moderate or heavy rain shower
11°
3
Heavy rain at times
19°
4
Moderate or heavy rain shower
14°
5
Moderate or heavy rain shower
21°
6
Heavy rain at times
12°
7
Patchy moderate snow
7°
8
Overcast
0°
9
Overcast
7°
10
Moderate or heavy rain shower
7°
11
Heavy rain at times
5°
12
Moderate rain at times
7°
13
Overcast
12°
14
Overcast
20°
15
Moderate or heavy rain shower
13°
16
Patchy moderate snow
6°
17
Sunny
14°
18
Overcast
23°
19
Patchy rain possible
24°
20
Cloudy
17°
21
Moderate or heavy rain shower
22°
22
Cloudy
18°
23
Sunny
21°
24
Partly cloudy
23°
25
Moderate or heavy rain shower
19°
26
Moderate or heavy rain shower
15°
27
Sunny
15°
28
Overcast
20°
29
Thundery outbreaks possible
24°
30
Light rain shower
20°

Temperatures trend during April in Johnstown

See the weather trend as well as the moving average line

April weather in Johnstown day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Overcast
Overcast
 8° /-1° 0 mm 0 cm
Apr. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /0° 5.5 mm 0 cm
Apr. 3 Heavy rain at times
Heavy rain at times
 19° /8° 8 mm 0 cm
Apr. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /8° 24.6 mm 0 cm
Apr. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /9° 23.6 mm 0 cm
Apr. 6 Heavy rain at times
Heavy rain at times
 12° /1° 15.4 mm 0 cm
Apr. 7 Patchy moderate snow
Patchy moderate snow
 7° /0° 4.6 mm 1.2 cm
Apr. 8 Overcast
Overcast
 0° /-4° 0 mm 0 cm
Apr. 9 Overcast
Overcast
 7° /-4° 0.3 mm 0 cm
Apr. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /0° 10.9 mm 0 cm
Apr. 11 Heavy rain at times
Heavy rain at times
 5° /4° 5.4 mm 0 cm
Apr. 12 Moderate rain at times
Moderate rain at times
 7° /4° 3.2 mm 0 cm
Apr. 13 Overcast
Overcast
 12° /0° 0 mm 0 cm
Apr. 14 Overcast
Overcast
 20° /5° 1.1 mm 0 cm
Apr. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /2° 5.1 mm 0 cm
Apr. 16 Patchy moderate snow
Patchy moderate snow
 6° /0° 2.7 mm 0.6 cm
Apr. 17 Sunny
Sunny
 14° /-1° 0 mm 0 cm
Apr. 18 Overcast
Overcast
 23° /4° 0 mm 0 cm
Apr. 19 Patchy rain possible
Patchy rain possible
 24° /15° 1.2 mm 0 cm
Apr. 20 Cloudy
Cloudy
 17° /8° 0.6 mm 0 cm
Apr. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /11° 4.2 mm 0 cm
Apr. 22 Cloudy
Cloudy
 18° /9° 1.3 mm 0 cm
Apr. 23 Sunny
Sunny
 21° /7° 0 mm 0 cm
Apr. 24 Partly cloudy
Partly cloudy
 23° /11° 0 mm 0 cm
Apr. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /12° 8 mm 0 cm
Apr. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /5° 13.8 mm 0 cm
Apr. 27 Sunny
Sunny
 15° /2° 0 mm 0 cm
Apr. 28 Overcast
Overcast
 20° /4° 0 mm 0 cm
Apr. 29 Thundery outbreaks possible
Thundery outbreaks possible
 24° /10° 0 mm 0 cm
Apr. 30 Light rain shower
Light rain shower
 20° /11° 23.2 mm 0 cm
Next
Important Notice
Our weather forecast for Johnstown in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Johnstown forecast closer to your planned date for the most up-to-date weather information.
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Johnstown in April - FAQ

What are the expected maximum and minimum temperatures in Johnstown during April?

During April, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Johnstown during April?

Significant rainfall exceeding 162.8 mm is expected in Johnstown during April, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Johnstown in April 2026?

Johnstown experiences an average snowfall of 1.8 cm during April, occurring over 2 days.

What are the typical wind conditions in Johnstown during April?

The average wind speed in Johnstown during April is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Johnstown snow forecast April 2026

Track daily snowfall levels and discover Johnstown’s snowy potential this April ❄️
On average, Johnstown sees 2 snowy days during April, with approximately 1.8 cm of total snowfall.

April rainfall patterns in Johnstown

Explore the daily rainfall trends and prepare for Johnstowns April weather 💧
Typically, Johnstown has 18 rainy days in April with a total of 162.8 mm of rainfall.

UV exposure in Johnstown during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️

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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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