Observed 7:45 PM EDT at KLNS

Willow Street, PA weather

Clear and 50°10°.

Forecasts agree

Now 50°10°

Clear

Wind: Calm; Light through 8 AM
Dew point: 34°1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 75Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.54 inHg1034 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° cooler than this time yesterday (54°12° then, 49°9° now)

Good hours for

Low 35°2° tomorrow at 7 AM
Above 50°10° tomorrow by 11 AM
High 65°18° tomorrow at 5 PM
Below 50°10° tomorrow night after 9 PM

TonightDown to 36°2° by 5 AM · Clear
Tomorrow morningUp to 54°12° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 5 PM · Clear
Tomorrow nightDown to 40°4° by 5 AM · Clear
Monday morningUp to 56°13° by 11 AM · Partly cloudy
Monday afternoonUp to 69°21° by 5 PM · 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 8p	Clear	48°9° (likely 47°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	68%	0%	0
Sat 9p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	79%	0%	0
Sat 10p	Clear	42°6° (likely 42°6° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	1%	0
Sat 11p	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Sun 12a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	0%	0
Sun 1a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sun 2a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 3a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 4a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 5a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 6a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 7a	Sunny	35°2° (likely 35°2° to 39°4°)	35°2°	0%	0 mph0 km/h, gusts 2 mph2 km/h	96%	0%	0
Sun 8a	Sunny	36°2° (likely 34°1° to 39°4°)	36°2°	0%	0 mph0 km/h, gusts 1 mph1 km/h	96%	0%	0
Sun 9a	Sunny	41°5° (likely 39°4° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 1 mph1 km/h	86%	0%	1
Sun 10a	Sunny	48°9° (likely 46°8° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 3 mph4 km/h	74%	0%	2
Sun 11a	Sunny	54°12° (likely 52°11° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	61%	0%	3
Sun 12p	Sunny	58°14° (likely 56°13° to 59°15°)	58°14°	0%	1 mph2 km/h from NW, gusts 5 mph9 km/h	51%	0%	4
Sun 1p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	1 mph2 km/h from W, gusts 5 mph9 km/h	47%	1%	4
Sun 2p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from W, gusts 6 mph9 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 mph10 km/h	43%	3%	3
Sun 4p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	43%	2%	2
Sun 5p	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	1 mph2 km/h from SW, gusts 5 mph9 km/h	43%	3%	1
Sun 6p	Clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 5 mph7 km/h	50%	0%	0
Sun 7p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph9 km/h	57%	0%	0
Sun 8p	Clear	53°12° (likely 50°10° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	71%	1%	0
Sun 9p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 6 mph10 km/h	89%	0%	0
Sun 10p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 7 mph11 km/h	96%	0%	0
Sun 11p	Clear	44°7° (likely 44°7° to 47°8°)	44°7°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	0%	0
Mon 12a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	0%	0
Mon 1a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	6%	0
Mon 2a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	1 mph2 km/h from W, gusts 7 mph11 km/h	100%	3%	0
Mon 3a	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	1 mph2 km/h from W, gusts 5 mph9 km/h	100%	0%	0
Mon 4a	Clear	41°5° (likely 40°4° to 43°6°)	41°5°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	100%	10%	0
Mon 5a	Clear	40°4° (likely 39°4° to 42°6°)	40°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	14%	0
Mon 6a	Partly cloudy	40°4° (likely 38°3° to 41°5°)	40°4°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	24%	0
Mon 7a	Sunny	39°4° (likely 37°3° to 41°5°)	39°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	19%	0
Mon 8a	Sunny	40°4° (likely 37°3° to 41°5°)	40°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	17%	0
Mon 9a	Mostly cloudy	45°7° (likely 40°4° to 45°7°)	45°7°	0%	2 mph3 km/h from W, gusts 3 mph5 km/h	100%	56%	1
Mon 10a	Partly sunny	51°11° (likely 47°8° to 51°11°)	51°11°	0%	3 mph5 km/h from W, gusts 9 mph14 km/h	86%	29%	2
Mon 11a	Sunny	56°13° (likely 54°12° to 56°13°)	56°13°	0%	5 mph8 km/h from W, gusts 9 mph14 km/h	74%	7%	3
Mon 12p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	6 mph10 km/h from W, gusts 11 mph18 km/h	64%	7%	4
Mon 1p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	7 mph11 km/h from NW, gusts 12 mph20 km/h	58%	1%	4
Mon 2p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	8 mph13 km/h from NW, gusts 13 mph20 km/h	50%	2%	4
Mon 3p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	8 mph13 km/h from NW, gusts 14 mph22 km/h	49%	10%	3
Mon 4p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	7 mph11 km/h from NW, gusts 14 mph22 km/h	51%	0%	2
Mon 5p	Sunny	69°21° (likely 64°18° to 69°21°)	69°21°	0%	6 mph10 km/h from NW, gusts 13 mph21 km/h	49%	1%	1
Mon 6p	Clear	65°18° (likely 58°14° to 65°18°)	65°18°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	56%	2%	0
Mon 7p	Clear	62°17° (likely 55°13° to 62°17°)	62°17°	0%	5 mph8 km/h from W, gusts 5 mph8 km/h	65%	1%	0

Days ahead

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

Today, Oct 24. Sunny. High 61°16°, low 35°2°. Typical 63°17° / 41°5°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Tonight: Patchy frost after 4am. Clear, with a low around 35. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–62°17°
Low, likely
32°0°–35°2°
Typical high / low
63°17° / 41°5°
Wind
6 mph9 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 39°4°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 65. West wind around 2 mph.
Night: Mostly clear, with a low around 39. 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°–39°4°
Typical high / low
63°17° / 40°4°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 69°21°, low 45°7°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 69. West wind 1 to 8 mph.
Night: Mostly clear, with a low around 45. Northwest wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
37°3°–45°7°
Typical high / low
63°17° / 40°4°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 65°18°, low 39°4°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65.
Night: Mostly clear, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–65°18°
Low, likely
39°4°–47°8°
Typical high / low
62°17° / 40°4°
Wind
10 mph16 km/h, gusts 20 mph31 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 64°18°, low 45°7°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Mostly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
35°2°–45°7°
Typical high / low
62°17° / 39°4°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 70°21°, low 48°9°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
43°6°–48°9°
Typical high / low
62°17° / 39°4°
Wind
9 mph14 km/h, gusts 27 mph43 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 48°9°. Typical 61°16° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–73°23°
Low, likely
42°6°–50°10°
Typical high / low
61°16° / 39°4°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 71°22°, low 46°8°. Typical 61°16° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–73°23°
Low, likely
43°6°–51°11°
Typical high / low
61°16° / 38°3°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 69°21°, low 50°10°. Typical 60°16° / 38°3°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  30% chance · 0.07 in1.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  30% chance · 0.11 in2.8 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
65°18°–72°22°
Low, likely
46°8°–53°12°
Typical high / low
60°16° / 38°3°
Wind
14 mph22 km/h, gusts 32 mph51 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 70°21°, low 59°15°. Typical 60°16° / 38°3°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  30% chance · 0.08 in1.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 70°21°
  20% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Clear, 63°17°
  30% chance · 0.04 in0.9 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
68°20°–75°24°
Low, likely
56°13°–67°19°
Typical high / low
60°16° / 38°3°
Wind
23 mph36 km/h, gusts 40 mph65 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 35°.
Tomorrow
Dry, high 65°, low 39°, warming up.
Monday
Dry, high 69°, low 45°, warming up.
Rest of week
Mostly dry, highs 64–73°.

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

4.8 mi

Below flood stage

Level: 3.6 ft
Flow: 254 cfs

Forecast peak 3.6 ft Sat 8 PM

Reading from Sat 7:01 PM · NWS gauge page

Susquehanna River at Marietta

15 mi

Below flood stage

Level: 34.4 ft
Flow: 13,500 cfs

Forecast peak 34.4 ft Sat 8 PM

Reading from Sat 6:30 PM · NWS gauge page

Big Spring Run near Mylin Corners

1.1 mi

Level: 3.7 ft
Flow: 1 cfs

Reading from Sat 7 PM · NWS gauge page

Conestoga River at Conestoga

5.6 mi

Level: 1.9 ft
Flow: 418 cfs

Reading from Sat 6:30 PM · NWS gauge page

For your home

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

Heating this week

About 69% less heating than a typical week.

This week 31Typical 98

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 26
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 34°F).

Open the windows?

Sun, 1:00 PM–6:00 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 2°1° colder than typical.

Last 7 days vs normal

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

Willow Street weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 47 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 28 min less
Golden hour: 5:35–6:29 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 8:01 PM–6:58 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

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

Looking south from Willow Street. The highest point on the skyline is about 5,200 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.