DUNCANNON, PA 17020 Weather Forecast & Current Conditions

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17020 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
HARRISBURG, PA Current Weather
9:56 AM EDT APR 30, 2026
Broken Clouds 55°F
Feels Like:	53°F
Dewpoint:	46°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	WNW at 8 mph
Pressure:	29.79 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

TODAY
Partly sunny. A slight chance of showers this afternoon. Highs around 60. Northwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.

TONIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the upper 30s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

FRIDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the upper 50s. West winds around 5 mph. Chance of rain 50 percent.

FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 30s. West winds around 5 mph.

SATURDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 50s. Northwest winds around 5 mph.

SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the upper 30s.

SUNDAY
Areas of frost in the morning. Sunny. Highs in the upper 50s.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 40.

MONDAY
Mostly sunny. A chance of showers in the afternoon. Not as cool with highs in the upper 60s. Chance of rain 40 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers. Not as cool with lows around 50. Chance of rain 40 percent.

TUESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.

TUESDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s.

WEDNESDAY
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Highs in the lower 70s. Chance of rain 60 percent.

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 4/29/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
30 APR 2026

2 AM

52°

52°

Mostly Cloudy

6%

0% Thunder
( 1% severe)

SSW 3

89%

49°

Low 50°

5 AM

51°

49°

Mostly Cloudy

WNW 6

89%

48°

High 64°

8 AM

52°

48°

Mostly Cloudy

7%

0% Thunder
( 5% severe)

NW 10

83%

47°

Mostly Cloudy

11 AM

57°

55°

Partly Cloudy

NW 10

62%

44°

2 PM

60°

58°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 10% severe)

WNW 12

51%

42°

5 PM

61°

59°

Mostly Cloudy

WNW 13

44%

39°

8 PM

56°

53°

Partly Cloudy

3%

0% Thunder
( 1% severe)

NW 10

49%

37°

11 PM

49°

45°

Partly Cloudy

WNW 8

61%

36°

Friday
1 MAY 2026

2 AM

44°

41°

Clear

0%

0% Thunder
( 0% severe)

WNW 6

70%

35°

Low 39°

5 AM

42°

39°

Clear

W 5

73%

34°

High 62°

8 AM

45°

44°

Clear

5%

0% Thunder
( 0% severe)

WNW 3

68%

35°

Increasing Clouds

Chance of Rain

11 AM

53°

51°

Partly Cloudy

WNW 7

46%

33°

2 PM

59°

58°

Partly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 10% severe)

W 8

37%

33°

5 PM

59°

58°

Mostly Cloudy

W 8

42%

36°

8 PM

54°

54°

Mostly Cloudy

32%
RAIN
.1–.25 in

0% Thunder
( 5% severe)

WNW 3

57%

39°

11 PM

49°

49°

Mostly Cloudy

WNW 2

74%

41°


HARRISBURG, PA extended weather forecast
Saturday 2 MAY 2026	Sunday 3 MAY 2026	Monday 4 MAY 2026	Tuesday 5 MAY 2026	Wednesday 6 MAY 2026
Low 44°	Low 40°	Low 42°	Low 54°	Low 57°
High 62°	High 63°	High 71°	High 77°	High 68°

Overcast 59% Rain	Partly Cloudy 15% Rain	Mostly Cloudy 33% Rain	Mostly Cloudy 39% Rain	Overcast 66% Rain

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