DUNCANNON, PA 17020 Weather Forecast & Current Conditions

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17020 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
HARRISBURG, PA Current Weather
10:56 AM EDT APR 3, 2026
Overcast Mist 46°F
Feels Like:	43°F
Dewpoint:	46°F
Rel. Hum.:	100%
Visibility:	4 miles
Wind:	ESE at 6 mph
Pressure:	30.27 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
Cloudy. Patchy fog this morning. A slight chance of showers this afternoon. Much warmer with highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent.

TONIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Unseasonably mild. Lows in the upper 50s. Southwest winds around 5 mph. Chance of rain 30 percent.

SATURDAY
Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce gusty winds and small hail in the afternoon. Unseasonably warm with highs around 80. South winds 5 to 10 mph. Chance of rain 70 percent.

SATURDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers after midnight. Unseasonably mild. Lows around 60. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.

SUNDAY
Showers in the morning. Much cooler with highs in the lower 60s. Temperature falling into the mid 50s in the afternoon. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.

SUNDAY NIGHT
Mostly cloudy. Much cooler with lows in the upper 30s.

MONDAY
Mostly sunny. Cooler with highs in the lower 50s.

MONDAY NIGHT
Partly cloudy. Lows in the mid 30s.

TUESDAY
Mostly sunny. Highs in the upper 40s.

TUESDAY NIGHT
Mostly clear. Lows in the upper 20s.

WEDNESDAY
Sunny. Highs in the lower 50s.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.

THURSDAY
Sunny. Not as cool with highs in the mid 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 6:00 PM CST 4/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
3 APR 2026

1 AM

46°

42°

Mostly Cloudy

4%

0% Thunder
( 3% severe)

ESE 8

86%

42°

Low 45°

4 AM

47°

44°

Mostly Cloudy

ESE 7

86%

43°

High 77°

7 AM

48°

45°

Mostly Cloudy

3%

0% Thunder
( 1% severe)

ESE 6

89%

45°

Mostly Cloudy

10 AM

57°

55°

Mostly Cloudy

SSE 8

75%

49°

1 PM

71°

71°

Mostly Cloudy

17%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

SSW 12

55%

54°

4 PM

76°

78°

Mostly Cloudy

SSW 12

50%

56°

7 PM

71°

71°

Mostly Cloudy

22%
RAIN
.1–.25 in

0% Thunder
( 13% severe)

SW 6

61%

57°

10 PM

67°

67°

Partly Cloudy

SW 3

70%

57°

Saturday
4 APR 2026

1 AM

63°

64°

Partly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 10% severe)

WSW 2

81%

57°

Low 59°

4 AM

61°

62°

Partly Cloudy

W 1

84%

56°

High 81°

7 AM

62°

63°

Partly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 15% severe)

CALM

84%

57°

Mostly Cloudy

Chance of Rain

10 AM

72°

72°

Partly Cloudy

S 2

64%

59°

1 PM

79°

80°

Mostly Cloudy

44%
RAIN
.5–1 in

0% Thunder
( 28% severe)

S 8

50%

59°

4 PM

80°

81°

Mostly Cloudy

S 10

47%

58°

7 PM

74°

74°

Mostly Cloudy

30%
RAIN
.25–.5 in

0% Thunder
( 13% severe)

SSE 9

57%

58°

10 PM

68°

68°

Partly Cloudy

SSE 12

65%

56°


HARRISBURG, PA extended weather forecast
Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026
Low 61°	Low 41°	Low 37°	Low 29°	Low 36°
High 67°	High 58°	High 52°	High 53°	High 65°

Overcast 85% Rain	Partly Cloudy 27% Rain/Snow	Mostly Cloudy 15% Rain/Snow	Clear 7% Rain/Snow	Partly Cloudy 24% Rain

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