Observed 9:35 AM EDT at KSEG

Selinsgrove, PA weather

Sunny and 52°11°.

Forecasts agree

Now 52°11°

Sunny

Wind: 3 mph5 km/h; From the north-northwest. Up to 5 mph8 km/h through 10 PM
Dew point: 45°7°; Comfortable · down to 36°2° by 2 PM
UV index: 1Low; Moderate 12–3 PM · peak 3
Pressure: 30.38 inHg1029 hPa; Rising · +0.05 inHg+1.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 8 PM
Below freezing tomorrow 6–9 AM (low 32°0°)
Drops 13°7° tomorrow night 6–9 PM (58°14° → 45°7°)
Below freezing Sunday 6–9 AM (low 30°−1°)
Fog Sunday 6–7 AM

This morningUp to 52°11° by 11 AM · Clear
This afternoonUp to 61°16° by 3 PM · Clear
TonightDown to 33°1° by 4 AM · Partly cloudy
Tomorrow morningUp to 49°9° by 11 AM · freezing, low 32°0° · Clear
Tomorrow afternoonUp to 62°17° by 4 PM · Clear
Tomorrow nightDown to 33°1° by 3 AM · Clear
Sunday morningUp to 36°2° by 9 AM · freezing, low 30°−1° · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 10a	Sunny	48°9° (likely 48°9° to 52°11°)	46°8°	0%	5 mph8 km/h from NE, gusts 12 mph19 km/h	72%	0%	1
Fri 11a	Sunny	52°11° (likely 52°11° to 55°13°)	52°11°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	60%	6%	2
Fri 12p	Sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	52%	6%	3
Fri 1p	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	5 mph8 km/h from NE, gusts 10 mph15 km/h	46%	3%	3
Fri 2p	Sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	40%	7%	3
Fri 3p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	3 mph5 km/h from NE, gusts 7 mph12 km/h	35%	16%	2
Fri 4p	Mostly sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	36%	53%	1
Fri 5p	Mostly sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	36%	56%	0
Fri 6p	Cloudy	56°13° (likely 54°12° to 57°14°)	56°13°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	43%	75%	0
Fri 7p	Cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	56%	77%	0
Fri 8p	Cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	68%	78%	0
Fri 9p	Cloudy	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	79%	76%	0
Fri 10p	Mostly clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	59%	0
Fri 11p	Mostly clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	63%	0
Sat 12a	Mostly clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	46%	0
Sat 1a	Mostly clear	36°2° (likely 36°2° to 43°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	43%	0
Sat 2a	Mostly clear	35°2° (likely 35°2° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	30%	0
Sat 3a	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	17%	0
Sat 4a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	14%	0
Sat 5a	Clear	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	13%	0
Sat 6a	Clear	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	20%	0
Sat 7a	Sunny	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	24%	0
Sat 8a	Sunny	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	12%	0
Sat 9a	Sunny	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	12%	1
Sat 10a	Sunny	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 2 mph3 km/h	82%	0%	2
Sat 11a	Sunny	49°9° (likely 49°9° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 6 mph9 km/h	74%	0%	3
Sat 12p	Sunny	54°12° (likely 54°12° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	61%	0%	3
Sat 1p	Sunny	58°14° (likely 57°14° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	53%	0%	4
Sat 2p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 7 mph12 km/h	47%	2%	4
Sat 3p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	42%	0%	3
Sat 4p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 6 mph10 km/h	38%	0%	2
Sat 5p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 6 mph10 km/h	36%	0%	1
Sat 6p	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 5 mph9 km/h	44%	0%	0
Sat 7p	Clear	54°12° (likely 49°9° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 5 mph7 km/h	54%	0%	0
Sat 8p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	0%	0
Sat 9p	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	92%	0%	0
Sat 10p	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	0%	0
Sat 11p	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Sun 12a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sun 1a	Clear	35°2° (likely 35°2° to 41°5°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 2a	Clear	34°1° (likely 33°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 3a	Clear	33°1° (likely 29°−2° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 4a	Mostly clear	33°1° (likely 28°−2° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	15%	0
Sun 5a	Mostly clear	33°1° (likely 28°−2° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	21%	0
Sun 6a	Fog	31°−1° (likely 27°−3° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	17%	0
Sun 7a	Sunny	30°−1° (likely 27°−3° to 37°3°)	30°−1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	17%	0
Sun 8a	Mostly sunny	31°−1° (likely 27°−3° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	20%	0
Sun 9a	Sunny	36°2° (likely 30°−1° to 43°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	18%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Cloudy. High 62°17°, low 32°0°. Typical 61°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. Northeast wind around 5 mph.
Tonight: Areas of frost between 1am and 3am, then widespread frost and patchy fog. Mostly clear, with a low around 32. Northeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–62°17°
Low, likely
32°0°–43°6°
Typical high / low
61°16° / 38°3°
Wind
7 mph12 km/h, gusts 16 mph25 km/h
UV peak
4
Tomorrow, Oct 24. Fog. High 62°17°, low 30°−1°. Typical 61°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Official NWS forecast
Day: Widespread frost and patchy fog before 10am. Sunny, with a high near 62. Wind around 0 mph.
Night: Areas of frost after midnight. Clear, with a low around 30. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–62°17°
Low, likely
30°−1°–38°3°
Typical high / low
61°16° / 38°3°
Wind
5 mph8 km/h, gusts 11 mph17 km/h
UV peak
4
Sunday, Oct 25. Fog. High 64°18°, low 33°1°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of frost and patchy fog before 9am. Sunny, with a high near 64. West wind around 1 mph.
Night: Mostly clear, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
27°−3°–37°3°
Typical high / low
60°16° / 38°3°
Wind
5 mph8 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 70°21°, low 41°5°. Typical 60°16° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Mostly clear, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
31°−1°–41°5°
Typical high / low
60°16° / 37°3°
Wind
6 mph9 km/h, gusts 12 mph19 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 63°17°, low 37°3°. Typical 60°16° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 63.
Night: Partly cloudy, with a low around 37.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–65°18°
Low, likely
37°3°–46°8°
Typical high / low
60°16° / 37°3°
Wind
7 mph11 km/h, gusts 16 mph26 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 60°16°, low 39°4°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 60.
Night: Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–62°17°
Low, likely
35°2°–46°8°
Typical high / low
59°15° / 37°3°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
1
Thursday, Oct 29. Partly sunny. High 66°19°, low 42°6°. Typical 59°15° / 36°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 66°19°).
High, likely
63°17°–68°20°
Low, likely
42°6°–50°10°
Typical high / low
59°15° / 36°2°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 66°19°, low 47°8°. Typical 59°15° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–69°21°
Low, likely
45°7°–49°9°
Typical high / low
59°15° / 36°2°
Wind
6 mph10 km/h, gusts 22 mph35 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 59°15°, low 44°7°. Typical 58°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°5°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–65°18°
Low, likely
37°3°–53°12°
Typical high / low
58°14° / 36°2°
Wind
8 mph13 km/h, gusts 21 mph33 km/h
UV peak
2
Sunday, Nov 1. Rain. High 60°16°, low 47°8°. Typical 58°14° / 36°2°. Rain 0.44 in11 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  20% chance · 0.1 in2.4 mm
2. Afternoon
  noon–6 PM
  Rain, 56°13°
  30% chance · 0.11 in2.9 mm
3. Evening
  6 PM–midnight
  Rain, 51°10°
  30% chance · 0.17 in4.2 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–64°18°
Low, likely
36°2°–55°13°
Typical high / low
58°14° / 36°2°
Wind
8 mph13 km/h, gusts 26 mph41 km/h

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 32°.
Tomorrow
Dry, high 62°, low 30°.
Sunday
Dry, high 64°, low 33°.
Rest of week
Mostly dry, highs 59–70°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (CTP) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Susquehanna River at Sunbury

3.1 mi

Below flood stage

Level: 7.3 ft
Flow: 8,760 cfs

Forecast peak 7.2 ft Fri 2 PM

Reading from Fri 8:45 AM · NWS gauge page

Penns Creek at Penns Creek

11 mi

Below flood stage

Level: 2.2 ft
Flow: 247 cfs

Forecast peak 2.1 ft Fri 2 PM

Reading from Fri 9 AM · NWS gauge page

West Branch Susquehanna River at Lewisburg

12 mi

Below flood stage

Level: 2.4 ft
Flow: 3,560 cfs

Forecast peak 2.4 ft Fri 2 PM

Reading from Fri 8:45 AM · NWS gauge page

West Branch Susquehanna River at West Milton

15 mi

Below flood stage

Level: 1.7 ft
Flow: 2,050 cfs

Forecast peak 1.7 ft Fri 2 PM

Reading from Fri 8:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 64% less heating than a typical week.

This week 41Typical 115

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 25 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Selinsgrove Penn Valley Airport · official normals 1991–2020 · records 1947–2026

Oct 23, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 4°2° colder than normal (daily mean temperature).

−7°−4°SatOct 17
−6°−4°SunOct 18
−1°MonOct 19
—TueOct 20
−1°WedOct 21
−2°−1°ThuOct 22
—FriOct 23

Selinsgrove weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 48 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:37–6:32 PM; Morning 7:10–8:05 AM
Blue hour: 6:32–6:43 PM; Morning 6:59–7:10 AM; first light 6:59 AM

Stars tonight? Good

Mostly clear 3–7 AM; moon 95% lit, sets 5:40 AM.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:31 AM · rises 4:47 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Selinsgrove. The highest point on the skyline is about 2,100 ft, 21 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Selinsgrove, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Susquehanna River at Sunbury

Penns Creek at Penns Creek

West Branch Susquehanna River at Lewisburg

West Branch Susquehanna River at West Milton

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon