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United States weather

Weather in Johnstown, Pennsylvania for April 2026

Your guide to Johnstown weather in April - trends and predictions

    Official Weather Alert ⚠️

  • Freeze Warning - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 2 snowy days, Johnstown usually enjoys a light touch of snow in April.
    According to Johnstown snow forecast for April 2026, 1 snowy day is expected until the end of the month at Monday, April 20.

    • Temperatures

  • So far, April 2026 in Johnstown shows a warmer trend than usual by 3.2 °F.

  • The forecast for the upcoming days in Johnstown predicts a temperature of 13.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Johnstown at the beginning of April is 15.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13 °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
14°
2
Moderate or heavy rain shower
17°
3
Heavy rain at times
21°
4
Moderate or heavy rain shower
19°
5
Moderate or heavy rain shower
20°
6
Heavy rain at times
9°
7
Patchy moderate snow
6°
8
Overcast
5°
9
Overcast
12°
10
Moderate or heavy rain shower
14°
11
Heavy rain at times
9°
12
Moderate rain at times
13°
13
Overcast
16°
14
Overcast
22°
15
Moderate or heavy rain shower
18°
16
Patchy moderate snow
15°
17
Sunny
17°
18
Overcast
24°
19
Weather Alert Patchy rain possible
8°
20
Weather Alert Light snow showers
4°
21
Partly cloudy
15°
22
Moderate rain
15°
23
Partly cloudy
20°
24
Patchy rain possible
22°
25
Patchy rain possible
14°
26
Patchy rain possible
11°
27
Patchy rain possible
12°
28
Partly cloudy
15°
29
Moderate rain
9°
30
Patchy rain possible
8°

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
 14° /7° 9.6 mm 0 cm
Apr. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /6° 11.2 mm 0 cm
Apr. 3 Heavy rain at times
Heavy rain at times
 21° /10° 4 mm 0 cm
Apr. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /12° 12.3 mm 0 cm
Apr. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /7° 24.3 mm 0 cm
Apr. 6 Heavy rain at times
Heavy rain at times
 9° /1° 7.7 mm 0 cm
Apr. 7 Patchy moderate snow
Patchy moderate snow
 6° /-1° 2.3 mm 0.6 cm
Apr. 8 Overcast
Overcast
 5° /-4° 0 mm 0 cm
Apr. 9 Overcast
Overcast
 12° /-2° 0.2 mm 0 cm
Apr. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /3° 8.2 mm 0 cm
Apr. 11 Heavy rain at times
Heavy rain at times
 9° /3° 6.9 mm 0 cm
Apr. 12 Moderate rain at times
Moderate rain at times
 13° /4° 1.6 mm 0 cm
Apr. 13 Overcast
Overcast
 16° /6° 0 mm 0 cm
Apr. 14 Overcast
Overcast
 22° /9° 0.6 mm 0 cm
Apr. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /10° 2.5 mm 0 cm
Apr. 16 Patchy moderate snow
Patchy moderate snow
 15° /8° 1.4 mm 0.3 cm
Apr. 17 Sunny
Sunny
 17° /6° 4.6 mm 0 cm
Apr. 18 Overcast
Overcast
 24° /8° 7.2 mm 0 cm
Apr. 19 Patchy rain possible
Patchy rain possible
 8° /4° 1.4 mm 0 cm
Apr. 20 Light snow showers
Light snow showers
 4° /-4° 2.8 mm 1.8 cm
Apr. 21 Partly cloudy
Partly cloudy
 15° /-5° 0 mm 0 cm
Apr. 22 Moderate rain
Moderate rain
 15° /8° 5.1 mm 0 cm
Apr. 23 Partly cloudy
Partly cloudy
 20° /7° 0 mm 0 cm
Apr. 24 Patchy rain possible
Patchy rain possible
 22° /10° 0.9 mm 0 cm
Apr. 25 Patchy rain possible
Patchy rain possible
 14° /10° 0.7 mm 0 cm
Apr. 26 Patchy rain possible
Patchy rain possible
 11° /7° 0.3 mm 0 cm
Apr. 27 Patchy rain possible
Patchy rain possible
 12° /7° 1 mm 0 cm
Apr. 28 Partly cloudy
Partly cloudy
 15° /3° 0 mm 0 cm
Apr. 29 Moderate rain
Moderate rain
 9° /7° 6.3 mm 0 cm
Apr. 30 Patchy rain possible
Patchy rain possible
 8° /5° 1.3 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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