Freeze Warning
Ends in 58 min
When
Until 9 AM EDT Saturday.
Where
Lancaster and Lebanon Counties.
Issued for this forecast zone · National Weather Service State College PA
What, impacts and precautionsHide details
What
Sub-freezing temperatures as low as 30 possible.
Impacts
Freezing conditions could kill crops and other sensitive vegetation.
Precautionary actions
Take steps to protect tender plants and vegetation from the cold if you wish to extend the growing season.
Areas: Lebanon; Lancaster
See it on weather.gov (opens in a new tab)

Observed 6:55 AM EDT at KMUI

Hebron, PA weather

Freeze Warning. 33°0° and clear now.

Forecasts agree

Now 33°0°

Clear

Wind: Calm; Light through 8 PM
Dew point: 31°−1°; Dry · up to 39°4° by 10 AM (comfortable)
Humidity: 92%; Air 33°0°, dew point 31°−1° · frost likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Pressure: 30.51 inHg1033 hPa; Rising slowly · +0.03 inHg+1.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

14°8° cooler than this time yesterday (47°8° then, 33°0° now)

Good hours for

Above 50°10° today by 11 AM
High 62°17° today at 4 PM
Below 50°10° tonight after 8 PM
Low 34°1° tomorrow at 6 AM
Fog Monday from 6 AM

This morningUp to 54°12° by 11 AM · Clear
This afternoonUp to 62°17° by 4 PM · Clear
TonightDown to 35°2° by 5 AM · Clear
Tomorrow morningUp to 55°13° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 4 PM · Clear
Tomorrow nightDown to 38°3° by 4 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8a	Sunny	35°2° (likely 34°1° to 37°3°)	35°2°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	96%	2%	0
Sat 9a	Sunny	41°5° (likely 39°4° to 42°6°)	41°5°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	89%	2%	1
Sat 10a	Sunny	49°9° (likely 45°7° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 5 mph7 km/h	68%	0%	2
Sat 11a	Sunny	54°12° (likely 50°10° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	57%	1%	3
Sat 12p	Sunny	56°13° (likely 53°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	53%	0%	4
Sat 1p	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	45%	0%	4
Sat 2p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	41%	0%	4
Sat 3p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	39%	0%	3
Sat 4p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	36%	2%	2
Sat 5p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	39%	2%	1
Sat 6p	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 3 mph4 km/h	47%	1%	0
Sat 7p	Clear	53°12° (likely 51°11° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 2 mph2 km/h	57%	0%	0
Sat 8p	Clear	48°9° (likely 48°9° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 1 mph2 km/h	68%	0%	0
Sat 9p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 1 mph2 km/h	76%	0%	0
Sat 10p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 2 mph4 km/h	79%	0%	0
Sat 11p	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	85%	0%	0
Sun 12a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	89%	0%	0
Sun 1a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Sun 2a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 1 mph2 km/h	96%	0%	0
Sun 3a	Clear	37°3° (likely 37°3° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 2 mph2 km/h	96%	0%	0
Sun 4a	Clear	36°2° (likely 36°2° to 39°4°)	36°2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	0%	0
Sun 5a	Clear	35°2° (likely 35°2° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Sun 6a	Clear	34°1° (likely 34°1° to 38°3°)	34°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 7a	Sunny	34°1° (likely 34°1° to 37°3°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Sun 8a	Sunny	35°2° (likely 35°2° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Sun 9a	Sunny	41°5° (likely 40°4° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	0%	1
Sun 10a	Sunny	50°10° (likely 48°9° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 2 mph3 km/h	71%	0%	2
Sun 11a	Sunny	55°13° (likely 53°12° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	59%	1%	3
Sun 12p	Sunny	58°14° (likely 56°13° to 58°14°)	58°14°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	55%	1%	4
Sun 1p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	49%	2%	4
Sun 2p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	44%	3%	4
Sun 3p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	3 mph5 km/h from SW, gusts 7 mph11 km/h	44%	2%	3
Sun 4p	Sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	43%	1%	2
Sun 5p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	46%	1%	1
Sun 6p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	2 mph3 km/h from SW, gusts 5 mph7 km/h	53%	2%	0
Sun 7p	Clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	1 mph2 km/h from SW, gusts 3 mph5 km/h	64%	5%	0
Sun 8p	Clear	50°10° (likely 49°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	1%	0
Sun 9p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	0%	0
Sun 10p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	0%	0
Mon 12a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Mon 1a	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	1 mph2 km/h from W, gusts 3 mph6 km/h	100%	1%	0
Mon 2a	Clear	40°4° (likely 38°3° to 43°6°)	40°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	2%	0
Mon 3a	Clear	39°4° (likely 33°1° to 43°6°)	39°4°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	2%	0
Mon 4a	Clear	38°3° (likely 32°0° to 43°6°)	38°3°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	2%	0
Mon 5a	Clear	38°3° (likely 32°0° to 42°6°)	38°3°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	17%	0
Mon 6a	Fog	36°2° (likely 31°−1° to 42°6°)	36°2°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	20%	0
Mon 7a	Fog	35°2° (likely 31°−1° to 41°5°)	35°2°	0%	2 mph3 km/h from W, gusts 3 mph5 km/h	100%	22%	0

Days ahead

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

Today, Oct 24. Sunny. High 62°17°, low 34°1°. Typical 61°16° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Areas of frost before 9am. Sunny, with a high near 62. East wind around 1 mph.
Tonight: Areas of frost and patchy fog after 1am. Clear, with a low around 34. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–62°17°
Low, likely
34°1°–36°2°
Typical high / low
61°16° / 41°5°
Wind
5 mph8 km/h, gusts 11 mph17 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 35°2°. Typical 61°16° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Widespread frost and patchy fog before 10am. Sunny, with a high near 65. West wind 0 to 3 mph.
Night: Areas of fog after 9pm. Clear, with a low around 35. West wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–65°18°
Low, likely
35°2°–37°3°
Typical high / low
61°16° / 41°5°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Fog. High 69°21°, low 42°6°. Typical 60°16° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 9am. Sunny, with a high near 69. West wind 1 to 7 mph.
Night: Mostly clear, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
33°1°–42°6°
Typical high / low
60°16° / 40°4°
Wind
10 mph15 km/h, gusts 17 mph27 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 63°17°, low 37°3°. Typical 60°16° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 63.
Night: Mostly clear, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
37°3°–46°8°
Typical high / low
60°16° / 40°4°
Wind
10 mph16 km/h, gusts 16 mph25 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 62°17°, low 41°5°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
36°2°–41°5°
Typical high / low
60°16° / 40°4°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 46°8°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  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 69.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
42°6°–46°8°
Typical high / low
59°15° / 39°4°
Wind
8 mph13 km/h, gusts 25 mph40 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 71°22°, low 44°7°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 71.
Night: Mostly clear, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
43°6°–48°9°
Typical high / low
59°15° / 39°4°
Wind
13 mph21 km/h, gusts 23 mph37 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 68°20°, low 45°7°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 56°13°
  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°–73°23°
Low, likely
41°5°–49°9°
Typical high / low
58°14° / 39°4°
Wind
13 mph21 km/h, gusts 27 mph43 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 65°18°, low 47°8°. Typical 58°14° / 38°3°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  30% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 50°10°
  30% chance · 0.02 in0.5 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–70°21°
Low, likely
36°2°–52°11°
Typical high / low
58°14° / 38°3°
Wind
9 mph14 km/h, gusts 21 mph33 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 65°18°, low 51°11°. Typical 58°14° / 38°3°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  30% chance · 0.01 in0.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  30% chance · 0.02 in0.5 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–72°22°
Low, likely
39°4°–58°14°
Typical high / low
58°14° / 38°3°
Wind
11 mph17 km/h, gusts 20 mph32 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 34°.
Tomorrow
Dry, high 65°, low 35°, warming up.
Monday
Dry, high 69°, low 42°, warming up.
Rest of week
Mostly dry, highs 62–71°.

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

Swatara Creek at Harper Tavern

10 mi

Below flood stage

Level: 0.7 ft
Flow: 217 cfs

Forecast peak 0.7 ft Sat 8 AM

Reading from Sat 6:15 AM · NWS gauge page

Swatara Creek near Hershey

14 mi

Below flood stage

Level: 1.8 ft
Flow: 318 cfs

Forecast peak 1.9 ft Sat 8 AM

Reading from Sat 5:45 AM · NWS gauge page

Quittapahilla Creek near Bellegrove

8.5 mi

Level: 3.5 ft
Flow: 85 cfs

Reading from Sat 6:15 AM · NWS gauge page

Little Conewago Creek at Upper Lawn

11 mi

Level: 0.9 ft
Flow: 3 cfs

Reading from Sat 5:45 AM · NWS gauge page

For your home

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

Heating this week

About 68% less heating than a typical week.

This week 34Typical 105

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 25
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 20 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 31°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?

LEBANON 2 W · official normals 1991–2020 · records 1965–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 46 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 29 min less
Golden hour: 5:34–6:29 PM; Morning 7:09–8:04 AM
Blue hour: 6:29–6:40 PM; Morning 6:58–7:09 AM; first light 6:58 AM

Stars tonight? Fair

Clear 6:40 PM–6:59 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:37 AM · rises 5:09 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Hebron. The highest point on the skyline is about 3,100 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Freeze Warning