Observed 7:53 AM EDT at KLNS

Witmer, PA weather

Sunny and 35°2°.

Forecasts agree

Now 35°2°

Sunny

Wind: Calm; Light through 8 PM
Dew point: 33°1°; Dry, static shocks likely
Humidity: 92%; Air 35°2°, dew point 33°1° · frost likely
UV index: 1Low; Moderate 11 AM–4 PM · peak 4
Air quality: 79Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.54 inHg1034 hPa; Rising slowly · +0.03 inHg+1.2 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

9°5° cooler than this time yesterday (44°7° then, 35°2° now)

Good hours for

Fog until 9 AM
Above 50°10° today by 11 AM
High 63°17° today at 4 PM
Below 50°10° tonight after 8 PM
Fog tomorrow night from 4 AM

This morningUp to 54°12° by 11 AM · Partly cloudy
This afternoonUp to 63°17° by 4 PM · Clear
TonightDown to 35°2° by 5 AM · Clear
Tomorrow morningUp to 54°12° by 11 AM · Clear
Tomorrow afternoonUp to 65°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	Fog	34°1° (likely 33°1° to 37°3°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	54%	0
Sat 9a	Mostly sunny	40°4° (likely 37°3° to 41°5°)	40°4°	0%	0 mph0 km/h, gusts 1 mph2 km/h	89%	50%	1
Sat 10a	Mostly sunny	49°9° (likely 45°7° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	66%	26%	2
Sat 11a	Sunny	54°12° (likely 51°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 2 mph4 km/h	57%	4%	3
Sat 12p	Sunny	57°14° (likely 55°13° to 57°14°)	57°14°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	47%	0%	4
Sat 1p	Sunny	59°15° (likely 58°14° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 4 mph6 km/h	44%	0%	4
Sat 2p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	38%	1%	4
Sat 3p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 3 mph4 km/h	39%	2%	3
Sat 4p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	1 mph2 km/h from SE, gusts 2 mph4 km/h	35%	5%	2
Sat 5p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 3 mph5 km/h	38%	3%	1
Sat 6p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	44%	0%	0
Sat 7p	Clear	54°12° (likely 51°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	50%	0%	0
Sat 8p	Clear	49°9° (likely 47°8° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	63%	0%	0
Sat 9p	Clear	46°8° (likely 45°7° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 5 mph9 km/h	76%	0%	0
Sat 10p	Clear	44°7° (likely 43°6° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	0%	0
Sat 11p	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	0%	0
Sun 12a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 1a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 2a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	0%	0
Sun 3a	Clear	38°3° (likely 38°3° to 40°4°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	92%	0%	0
Sun 4a	Clear	37°3° (likely 37°3° to 39°4°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	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 37°3°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 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	100%	7%	0
Sun 8a	Sunny	34°1° (likely 34°1° to 37°3°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	13%	0
Sun 9a	Sunny	40°4° (likely 38°3° to 42°6°)	40°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	12%	1
Sun 10a	Sunny	49°9° (likely 46°8° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	71%	0%	2
Sun 11a	Sunny	54°12° (likely 53°12° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	61%	1%	3
Sun 12p	Sunny	58°14° (likely 57°14° to 58°14°)	58°14°	0%	1 mph2 km/h from NW, gusts 4 mph6 km/h	51%	1%	4
Sun 1p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	48%	2%	4
Sun 2p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	43%	2%	4
Sun 3p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	1 mph2 km/h from W, gusts 6 mph9 km/h	43%	3%	3
Sun 4p	Sunny	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	40%	2%	2
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	44%	1%	1
Sun 6p	Clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	49%	1%	0
Sun 7p	Clear	56°13° (likely 52°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	59%	0%	0
Sun 8p	Clear	51°11° (likely 49°9° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph7 km/h	74%	1%	0
Sun 9p	Clear	48°9° (likely 47°8° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	0%	0
Sun 10p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 4 mph7 km/h	93%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	1%	0
Mon 12a	Clear	42°6° (likely 42°6° to 44°7°)	42°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	1%	0
Mon 1a	Clear	41°5° (likely 40°4° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 3 mph6 km/h	100%	1%	0
Mon 2a	Clear	40°4° (likely 38°3° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	2%	0
Mon 3a	Clear	39°4° (likely 32°0° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	3%	0
Mon 4a	Fog	38°3° (likely 32°0° to 43°6°)	38°3°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	27%	0
Mon 5a	Fog	38°3° (likely 32°0° to 42°6°)	38°3°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	25%	0
Mon 6a	Fog	36°2° (likely 33°1° to 42°6°)	36°2°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	28%	0
Mon 7a	Fog	35°2° (likely 33°1° to 42°6°)	35°2°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	28%	0

Days ahead

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

Today, Oct 24. Sunny. High 63°17°, low 34°1°. Typical 63°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°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 63. Northeast wind around 1 mph.
Tonight: Patchy fog between 1am and 3am, then patchy frost between 3am and 4am, then areas of frost and patchy fog. Clear, with a low around 34. Northeast wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–63°17°
Low, likely
33°1°–36°2°
Typical high / low
63°17° / 41°5°
Wind
5 mph9 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 65°18°, low 35°2°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Widespread frost and areas of fog before 10am. Sunny, with a high near 65. Northwest wind around 2 mph.
Night: Areas of fog after 11pm. Mostly clear, with a low around 35. West wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–65°18°
Low, likely
34°1°–36°2°
Typical high / low
63°17° / 40°4°
Wind
6 mph9 km/h
UV peak
4
Monday, Oct 26. Fog. High 68°20°, low 44°7°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  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, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 9am. Sunny, with a high near 68. West wind 1 to 7 mph.
Night: Mostly clear, with a low around 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–68°20°
Low, likely
34°1°–44°7°
Typical high / low
63°17° / 40°4°
Wind
10 mph16 km/h, gusts 16 mph26 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 64°18°, low 38°3°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 64.
Night: Mostly clear, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–65°18°
Low, likely
38°3°–46°8°
Typical high / low
62°17° / 40°4°
Wind
10 mph16 km/h, gusts 17 mph27 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 63°17°, low 43°6°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
35°2°–43°6°
Typical high / low
62°17° / 39°4°
Wind
8 mph13 km/h, gusts 17 mph27 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 47°8°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  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: Mostly sunny, with a high near 69.
Night: Mostly clear, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
41°5°–47°8°
Typical high / low
62°17° / 39°4°
Wind
8 mph13 km/h, gusts 27 mph43 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 71°22°, low 45°7°. Typical 61°16° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  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 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
42°6°–48°9°
Typical high / low
61°16° / 39°4°
Wind
14 mph22 km/h, gusts 27 mph43 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 69°21°, low 45°7°. Typical 61°16° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  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
59°15°–74°23°
Low, likely
41°5°–50°10°
Typical high / low
61°16° / 38°3°
Wind
13 mph20 km/h, gusts 26 mph42 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 66°19°, low 48°9°. Typical 60°16° / 38°3°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  30% chance · 0.02 in0.4 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
37°3°–54°12°
Typical high / low
60°16° / 38°3°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 66°19°, low 52°11°. Typical 60°16° / 38°3°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  30% chance · 0.01 in0.3 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°–74°23°
Low, likely
41°5°–59°15°
Typical high / low
60°16° / 38°3°
Wind
10 mph16 km/h, gusts 17 mph27 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 34°.
Tomorrow
Dry, high 65°, low 35°.
Monday
Dry, high 68°, low 44°, warming up.
Rest of week
Mostly dry, highs 63–71°.

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

Conestoga River at Lancaster

3.5 mi

Below flood stage

Level: 3.6 ft
Flow: 258 cfs

Forecast peak 3.6 ft Sat 8 AM

Reading from Sat 7:15 AM · NWS gauge page

Susquehanna River at Marietta

17 mi

Below flood stage

Level: 34.5 ft
Flow: 14,000 cfs

Forecast peak 34.4 ft Sat 2 PM

Reading from Sat 7:30 AM · NWS gauge page

Pequea Creek near Ronks

3.8 mi

Level: 2.4 ft
Flow: 35 cfs

Reading from Sat 7:30 AM · NWS gauge page

Big Spring Run near Mylin Corners

4.7 mi

Level: 3.7 ft
Flow: 1 cfs

Reading from Sat 7 AM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 33Typical 98

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 24
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 33°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Lancaster 2 NE Filt Plant · official normals 1991–2020 · records 1949–2026

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

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

Sun & moon

Sun

Daylight: 10 h 47 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 28 min less
Golden hour: 5:34–6:29 PM; Morning 7:08–8:02 AM
Blue hour: 6:29–6:40 PM; Morning 6:57–7:08 AM; first light 6:57 AM

Stars tonight? Fair

Clear 6:40 PM–6:58 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:36 AM · rises 5:09 PM
Full moon: Oct 26
New moon: Nov 9

Looking south from Witmer. The highest point on the skyline is about 4,700 ft, 23 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.