Johnstown, Pennsylvania Weather
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Weather Forecast for Johnstown, Pennsylvania : Union County
Issued: 3:28 pm EDT Apr 29, 2025 Latitude: 40.9400816 Longitude: -77.0527488 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on This Afternoon 50% chance of thunderstorms on Tonight Mostly Sunny on Wednesday 20% chance of on Thursday 70% chance of rain on Friday 70% chance of rain on Saturday Mostly Sunny on Sunday 30% chance of rain on Monday 20% chance of on Tuesday
High: 84°F Low: 54°F High: 71°F High: 76°F High: 81°F High: 67°F High: 65°F High: 69°F High: 73°F
Low: 45°F Low: 60°F Low: 55°F Low: 45°F Low: 46°F Low: 48°F  
Mostly Sunny Thunderstorms Mostly Sunny Partly Sunny Rain Rain Mostly Sunny Rain Partly Sunny
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Current Conditions at
SELINSGROVE - (KSEG)
82°
Clear
as of 2:53 PM EDST
Rel. Humidity: 34%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 26 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
WILLIAMSPORT - (KIPT)
81°
Clear
as of 2:54 PM EDST
Rel. Humidity: 36%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 31 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
UNIVERSITY PARK - (KUNV)
84°
Mostly Cloudy
as of 2:53 PM EDST
Rel. Humidity: 39%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
16 MPH
240° Southwest
Cloud Level(s): Broken at 6000ft
Current Conditions at
COLLEGE PARK ARPT - (KCGS)
82°
Clear
as of 3:35 PM EDST
Rel. Humidity: 39%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 17 MPH
200° South
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 84. South wind around 11 mph, with gusts as high as 22 mph.
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 54. Southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 71. Northwest wind around 6 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 45. Calm wind.
20% chance of Thursday Thursday... A slight chance of showers after 2pm. Partly sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
70% chance of rain Thursday Night Thursday Night... Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
70% chance of rain Friday Friday... Showers likely, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
60% chance of rain Friday Night Friday Night... Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
70% chance of rain Saturday Saturday... Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
30% chance of rain Saturday Night Saturday Night... A chance of showers before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 65.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 46.
30% chance of rain Monday Monday... A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
30% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
20% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 73.
Current Radar Image


Sun Almanac for Johnstown, Pennsylvania
Sunrise: 06:08 AM
Sunset: 8:03 PM
Civil Sunrise:05:38 AM
Civil Sunset: 8:33 PM
Nautical Sunrise: 05:02 AM
Nautical Sunset: 9:09 PM
Astro Sunrise: 04:23 AM
Astro Sunset: 9:48 PM
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