DUNCANNON, PA 17020 Weather Forecast & Current Conditions
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  17020 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

HARRISBURG, PA
Current Weather
2:56 AM EDT JUN 27, 2025
Overcast
68°F
Feels Like: 68°F
Dewpoint: 63°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: E at 10 mph, gusts to 20
Pressure: 30.14 inches
Last 72 hours

Local Area Snow Depth

Pennsylvania Current Weather

Pennsylvania MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  17020 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

DUNCANNON, PA 17020
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. East winds around 5 mph. Chance of rain 40 percent.
FRIDAY
Cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Not as warm. Humid with highs in the lower 70s. Southeast winds around 5 mph. Chance of rain 40 percent.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Cloudy with a chance of showers. Humid with lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 50 percent.
SATURDAY
Mostly cloudy in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Much warmer. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 70 percent.
SATURDAY NIGHT
Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Patchy fog after midnight. Humid with lows in the mid 60s. West winds around 5 mph. Chance of rain 70 percent.
SUNDAY
Sunny . Very warm with highs in the upper 80s.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s.
MONDAY
Mostly sunny. Showers and thunderstorms likely in the afternoon. Humid. Very warm with highs in the upper 80s. Chance of rain 60 percent.
MONDAY NIGHT
Showers likely. Thunderstorms likely, mainly in the evening. Humid, warm with lows around 70. Chance of rain 60 percent.
TUESDAY
Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 60 percent.
TUESDAY NIGHT
Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 60s. Chance of rain 60 percent.
WEDNESDAY
Sunny. Highs in the mid 80s.
WEDNESDAY NIGHT
Mostly clear. Lows in the lower 60s.

  17020 WEATHER SATELLITE LOOPS
Visible Weather Satellite
DUNCANNON, PA 17020
Infrared Weather Satellite
DUNCANNON, PA 17020
  17020 WEATHER RADAR LOOP
NEXRAD Weather Radar
DUNCANNON, PA 17020
 MOS COMPUTER WEATHER FORECAST

HARRISBURG, PA 3 hourly weather forecast
weather forecast created  7:00 PM CDT  6/26/2025
Friday
27 JUN 2025		 DUNCANNON, PA 17020 weather forecast Day 1, 0 hours 2 AM 73° 73° Mostly Cloudy 30%
RAIN
.01–.1 in		 0% Thunder
( 19% severe)		 E   7 79% 66°
Low 68° DUNCANNON, PA 17020 weather forecast Day 1, 3 hours 5 AM 69° 69° Mostly Cloudy E   7 81% 63°
High 74° DUNCANNON, PA 17020 weather forecast Day 1, 6 hours 8 AM 69° 69° Mostly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 9% severe)		 E   8 78% 62°

Mostly Cloudy

Chance of Rain

 DUNCANNON, PA 17020 weather forecast Day 1, 9 hours 11 AM 70° 70° Mostly Cloudy ESE   8 76% 62°
DUNCANNON, PA 17020 weather forecast Day 1, 12 hours 2 PM 71° 71° Mostly Cloudy 34%
RAIN
***		 0% Thunder
( 23% severe)		 ESE   9 79% 64°
DUNCANNON, PA 17020 weather forecast Day 1, 15 hours 5 PM 72° 72° Mostly Cloudy ESE   9 79% 65°
DUNCANNON, PA 17020 weather forecast Day 1, 18 hours 8 PM 73° 73° Mostly Cloudy 34%
RAIN
.01–.1 in		 0% Thunder
( 23% severe)		 ESE   8 79% 66°
DUNCANNON, PA 17020 weather forecast Day 1, 21 hours 11 PM 71° 71° Mostly Cloudy ESE   7 81% 65°
Saturday
28 JUN 2025		 DUNCANNON, PA 17020 weather forecast Day 2, 0 hours 2 AM 70° 70° Mostly Cloudy 24%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 ESE   5 87% 66°
Low 69° DUNCANNON, PA 17020 weather forecast Day 2, 3 hours 5 AM 70° 70° Mostly Cloudy ESE   3 87% 66°
High 90° DUNCANNON, PA 17020 weather forecast Day 2, 6 hours 8 AM 72° 72° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 SE   3 87% 68°

Mostly Cloudy

Rain Likely

 DUNCANNON, PA 17020 weather forecast Day 2, 9 hours 11 AM 80° 83° Mostly Cloudy SSW   5 72% 70°
DUNCANNON, PA 17020 weather forecast Day 2, 12 hours 2 PM 87° 93° Partly Cloudy 69%
RAIN
***		 0% Thunder
( 49% severe)		 SW   7 59% 71°
DUNCANNON, PA 17020 weather forecast Day 2, 15 hours 5 PM 87° 93° Partly Cloudy SW   7 59% 71°
DUNCANNON, PA 17020 weather forecast Day 2, 18 hours 8 PM 83° 88° Mostly Cloudy 21%
RAIN
.1–.25 in		 0% Thunder
( 18% severe)		 W   5 67% 71°
DUNCANNON, PA 17020 weather forecast Day 2, 21 hours 11 PM 78° 80° Mostly Cloudy WSW   2 76% 70°

HARRISBURG, PA extended weather forecast
Sunday
29 JUN 2025		 Monday
30 JUN 2025		 Tuesday
1 JUL 2025		 Wednesday
2 JUL 2025		 Thursday
3 JUL 2025
Low 71° Low 70° Low 72° Low 69° Low 70°
High 92° High 88° High 88° High 91° High 89°
DUNCANNON, PA 17020 weather forecast Day 3 DUNCANNON, PA 17020 weather forecast Day 4 DUNCANNON, PA 17020 weather forecast Day 5 DUNCANNON, PA 17020 weather forecast Day 6 DUNCANNON, PA 17020 weather forecast Day 7
Partly Cloudy
33% Rain		 Mostly Cloudy
63% Rain		 Mostly Cloudy
67% Rain		 Partly Cloudy
29% Rain		 Partly Cloudy
23% Rain
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