Observed 12:15 AM EDT at KMDT

Palmyra, PA weather

Clear and 43°6°.

Forecasts agree

Now 43°6°

Clear

Wind: Calm; Light through 12 PM
Dew point: 39°4°; Comfortable
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Pressure: 30.55 inHg1035 hPa; Steady over the next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 34°1° today at 7 AM
Above 50°10° today by 10 AM
High 64°18° today at 4 PM
Drops 12°7° tonight 6–9 PM (60°16° → 48°9°)
Below 50°10° tonight after 8 PM

TonightNear 37°3° · Clear
This morningUp to 55°13° by 11 AM · Clear
This afternoonUp to 64°18° by 4 PM · Clear
TonightDown to 39°4° by 4 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 68°20° by 3 PM · Clear
Tomorrow nightDown to 51°11° by 11 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
Sun 12a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	2%	0
Sun 1a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	1%	0
Sun 2a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	7%	0
Sun 3a	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	12%	0
Sun 4a	Clear	35°2° (likely 35°2° to 39°4°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	11%	0
Sun 5a	Clear	35°2° (likely 35°2° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	11%	0
Sun 6a	Clear	35°2° (likely 35°2° to 37°3°)	35°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	13%	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%	14%	0
Sun 8a	Sunny	36°2° (likely 35°2° to 37°3°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	16%	0
Sun 9a	Sunny	41°5° (likely 38°3° to 42°6°)	41°5°	0%	0 mph0 km/h, gusts 2 mph2 km/h	86%	17%	1
Sun 10a	Sunny	50°10° (likely 45°7° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 2 mph3 km/h	68%	0%	2
Sun 11a	Sunny	55°13° (likely 52°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	59%	1%	3
Sun 12p	Sunny	58°14° (likely 55°13° to 58°14°)	58°14°	0%	2 mph3 km/h from SW, gusts 6 mph10 km/h	55%	1%	4
Sun 1p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	50%	2%	4
Sun 2p	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%	4
Sun 3p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from SW, gusts 7 mph12 km/h	44%	2%	3
Sun 4p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from SW, gusts 8 mph12 km/h	45%	1%	2
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from SW, gusts 7 mph12 km/h	46%	0%	1
Sun 6p	Clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 5 mph9 km/h	53%	0%	0
Sun 7p	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	0%	0
Sun 8p	Clear	48°9° (likely 48°9° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph7 km/h	89%	0%	0
Sun 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Sun 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	7%	0
Mon 12a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	12%	0
Mon 1a	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	11%	0
Mon 2a	Clear	41°5° (likely 41°5° to 43°6°)	41°5°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	16%	0
Mon 3a	Clear	40°4° (likely 40°4° to 42°6°)	40°4°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	21%	0
Mon 4a	Clear	39°4° (likely 39°4° to 41°5°)	39°4°	0%	1 mph2 km/h from W, gusts 3 mph4 km/h	100%	20%	0
Mon 5a	Clear	39°4° (likely 39°4° to 41°5°)	39°4°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	19%	0
Mon 6a	Clear	39°4° (likely 38°3° to 40°4°)	39°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	24%	0
Mon 7a	Sunny	38°3° (likely 37°3° to 40°4°)	38°3°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	29%	0
Mon 8a	Sunny	40°4° (likely 37°3° to 40°4°)	40°4°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	100%	28%	0
Mon 9a	Sunny	44°7° (likely 40°4° to 45°7°)	44°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	23%	1
Mon 10a	Sunny	50°10° (likely 48°9° to 51°11°)	50°10°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	86%	12%	2
Mon 11a	Sunny	57°14° (likely 54°12° to 57°14°)	57°14°	0%	3 mph5 km/h from W, gusts 9 mph14 km/h	72%	8%	3
Mon 12p	Mostly sunny	60°16° (likely 60°16° to 61°16°)	60°16°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	64%	10%	4
Mon 1p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	6 mph10 km/h from NW, gusts 12 mph19 km/h	58%	0%	4
Mon 2p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	7 mph11 km/h from NW, gusts 11 mph18 km/h	52%	2%	4
Mon 3p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	7 mph11 km/h from NW, gusts 12 mph20 km/h	51%	0%	3
Mon 4p	Sunny	68°20° (likely 67°19° to 68°20°)	68°20°	0%	6 mph10 km/h from W, gusts 13 mph20 km/h	53%	1%	2
Mon 5p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	53%	1%	1
Mon 6p	Clear	64°18° (likely 61°16° to 64°18°)	64°18°	0%	5 mph8 km/h from W, gusts 8 mph12 km/h	60%	1%	0
Mon 7p	Clear	61°16° (likely 57°14° to 61°16°)	61°16°	0%	3 mph5 km/h from W, gusts 6 mph9 km/h	67%	31%	0
Mon 8p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	77%	26%	0
Mon 9p	Clear	55°13° (likely 49°9° to 55°13°)	55°13°	0%	3 mph5 km/h from W, gusts 4 mph7 km/h	83%	0%	0
Mon 10p	Clear	53°12° (likely 48°9° to 54°12°)	53°12°	0%	3 mph5 km/h from NW, gusts 4 mph7 km/h	89%	1%	0
Mon 11p	Clear	51°11° (likely 47°8° to 53°12°)	51°11°	0%	3 mph5 km/h from NW, gusts 4 mph7 km/h	96%	2%	0

Days ahead

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

Today, Oct 25. Sunny. High 64°18°, low 34°1°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Today: Areas of frost before 9am. Sunny, with a high near 64. Southwest wind 0 to 3 mph.
Tonight: Patchy frost after 1am. Clear, with a low around 34. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
34°1°–37°3°
Typical high / low
62°17° / 42°6°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
4
Tomorrow, Oct 26. Partly sunny. High 69°21°, low 44°7°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°9°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 69. West wind 1 to 7 mph.
Night: Mostly clear, with a low around 44. Northwest wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
36°2°–44°7°
Typical high / low
62°17° / 42°6°
Wind
8 mph13 km/h, gusts 17 mph27 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 65°18°, low 38°3°. Typical 62°17° / 42°6°. 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, 42°6°
  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 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–65°18°
Low, likely
38°3°–48°9°
Typical high / low
62°17° / 42°6°
Wind
9 mph14 km/h, gusts 18 mph28 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 63°17°, low 44°7°. Typical 61°16° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 42°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 63.
Night: Mostly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–64°18°
Low, likely
39°4°–44°7°
Typical high / low
61°16° / 42°6°
Wind
7 mph12 km/h, gusts 16 mph26 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 70°21°, low 47°8°. Typical 61°16° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°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 47.
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
61°16° / 41°5°
Wind
8 mph13 km/h, gusts 25 mph40 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 47°8°. Typical 60°16° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  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 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–74°23°
Low, likely
43°6°–50°10°
Typical high / low
60°16° / 41°5°
Wind
8 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 71°22°, low 47°8°. Typical 60°16° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 47°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  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
62°17°–71°22°
Low, likely
44°7°–51°11°
Typical high / low
60°16° / 40°4°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 68°20°, low 50°10°. Typical 60°16° / 40°4°. Rain 0.06 in1.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  30% chance · 0.07 in1.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°16°
  40% chance · 0.1 in2.6 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
62°17°–71°22°
Low, likely
46°8°–53°12°
Typical high / low
60°16° / 40°4°
Wind
12 mph19 km/h, gusts 28 mph45 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 70°21°, low 59°15°. Typical 59°15° / 40°4°. Rain 0.6 in15 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  40% chance · 0.05 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 70°21°
  30% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Clear, 61°16°
  30% chance · 0.56 in14 mm
4. Overnight
  midnight–6 AM
  Drizzle, 54°12°
  30% chance · 0.31 in7.7 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
67°19°–73°23°
Low, likely
56°13°–65°18°
Typical high / low
59°15° / 40°4°
Wind
18 mph29 km/h, gusts 34 mph55 km/h
UV peak
3
Tuesday, Nov 3. Partly sunny. High 69°21°, low 53°12°. Typical 59°15° / 40°4°. Rain 0.17 in4.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  20% chance · 0.09 in2.4 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  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
64°18°–75°24°
Low, likely
45°7°–58°14°
Typical high / low
59°15° / 40°4°
Wind
17 mph27 km/h, gusts 38 mph61 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 34°.
Tomorrow
Dry, high 69°, low 44°, warming up.
Tuesday
Dry, high 65°, low 38°, cooling off.
Rest of week
Mostly dry, highs 63–73°.

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

Swatara Creek near Hershey

3.9 mi

Below flood stage

Level: 1.8 ft
Flow: 303 cfs

Forecast peak 1.8 ft Sun 2 AM

Reading from Sat 10:45 PM · NWS gauge page

Swatara Creek at Harper Tavern

6.5 mi

Below flood stage

Level: 0.7 ft
Flow: 206 cfs

Forecast peak 0.7 ft Sun 2 AM

Reading from Sat 11:15 PM · NWS gauge page

Swatara Creek at Middletown

11 mi

Below flood stage

Level: 2.2 ft

Forecast peak 2.2 ft Sun 2 AM

Reading from Sat 11:15 PM · NWS gauge page

Susquehanna River at Harrisburg

16 mi

Below flood stage

Level: 3.7 ft
Flow: 11,500 cfs

Forecast peak 3.7 ft Sun 2 AM

Reading from Sat 11 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 30Typical 96

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 22
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 18 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 1:00 PM–6:00 PM

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

Is this typical?

Middletown Harrisburg Int'l Airport · official normals 1991–2020 · records 1888–2026

Oct 25, today vs a typical year

Today’s expected high is 2°1° warmer than typical.

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

−2°−1°MonOct 19
+4°+2°TueOct 20
−1°WedOct 21
+2°+1°ThuOct 22
−2°−1°FriOct 23
—SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 5:34–6:29 PM; Morning 7:11–8:05 AM
Blue hour: 6:29–6:39 PM; Morning 7:00–7:11 AM; first light 7:00 AM

Stars tonight? Fair

Clear 12:31–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 6:50 AM · rises 5:37 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Palmyra. The highest point on the skyline is about 1,600 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Palmyra, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Tuesday

Rest of week

What changed since yesterday

Radar

Rivers

Swatara Creek near Hershey

Swatara Creek at Harper Tavern

Swatara Creek at Middletown

Susquehanna River at Harrisburg

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 25, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon