Skip to forecast
Search a place

Observed 11:30 AM EDT at KMDT

Royalton, PA weather

Sunny and 54°12°, jacket by 7 PM.

Today: low 35°2° (likely 34°1° to 36°2°), high 63°17° (likely 59°15° to 63°17°).

Forecasts agree

Now 54°12°

Sunny

Wind
3 mph5 km/h
From the south. Light through 11 PM
Dew point
43°6°
Comfortable
UV index
4Moderate
Moderate until 4 PM
Air quality
75Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.57 inHg1035 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 62°17° today at 4 PM
  • Below 50°10° tonight after 8 PM
  • Low 35°2° tomorrow at 8 AM
  • Above 50°10° tomorrow by 11 AM
  • Fog tomorrow night midnight–5 AM
  1. This afternoonUp to 62°17° by 4 PM · Clear
  2. TonightDown to 37°3° by 4 AM · Clear
  3. Tomorrow morningUp to 54°12° by 11 AM · Clear
  4. Tomorrow afternoonUp to 65°18° by 4 PM · Clear
  5. Tomorrow nightDown to 39°4° by 4 AM · Clear
  6. Monday morningUp to 50°10° by 10 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aSunny52°11° (likely 50°10° to 52°11°)52°11°0%0 mph0 km/h, gusts 3 mph5 km/h60%3%3
Sat 12pSunny56°13° (likely 54°12° to 56°13°)56°13°0%0 mph0 km/h, gusts 4 mph6 km/h51%2%4
Sat 1pSunny60°16° (likely 57°14° to 60°16°)60°16°0%0 mph0 km/h, gusts 5 mph8 km/h42%1%4
Sat 2pSunny61°16° (likely 58°14° to 61°16°)61°16°0%1 mph2 km/h from S, gusts 5 mph7 km/h38%0%4
Sat 3pSunny61°16° (likely 59°15° to 61°16°)61°16°0%1 mph2 km/h from S, gusts 4 mph7 km/h38%0%3
Sat 4pSunny62°17° (likely 59°15° to 62°17°)62°17°0%1 mph2 km/h from SE, gusts 4 mph7 km/h37%1%2
Sat 5pSunny61°16° (likely 58°14° to 61°16°)61°16°0%1 mph2 km/h from SE, gusts 4 mph7 km/h38%0%1
Sat 6pClear58°14° (likely 54°12° to 58°14°)58°14°0%1 mph2 km/h from SE, gusts 5 mph8 km/h44%0%0
Sat 7pClear54°12° (likely 51°11° to 54°12°)54°12°0%1 mph2 km/h from SE, gusts 5 mph8 km/h53%0%0
Sat 8pClear49°9° (likely 48°9° to 50°10°)49°9°0%0 mph0 km/h, gusts 5 mph8 km/h66%0%0
Sat 9pClear47°8° (likely 46°8° to 49°9°)47°8°0%0 mph0 km/h, gusts 4 mph7 km/h68%0%0
Sat 10pClear45°7° (likely 45°7° to 47°8°)45°7°0%0 mph0 km/h, gusts 3 mph5 km/h76%0%0
Sat 11pClear43°6° (likely 43°6° to 45°7°)43°6°0%0 mph0 km/h, gusts 3 mph5 km/h82%0%0
Sun 12aClear41°5° (likely 41°5° to 44°7°)41°5°0%0 mph0 km/h, gusts 2 mph4 km/h89%0%0
Sun 1aClear40°4° (likely 40°4° to 44°7°)40°4°0%0 mph0 km/h, gusts 2 mph4 km/h92%0%0
Sun 2aClear39°4° (likely 38°3° to 43°6°)39°4°0%0 mph0 km/h, gusts 2 mph3 km/h96%4%0
Sun 3aClear38°3° (likely 37°3° to 42°6°)38°3°0%0 mph0 km/h, gusts 2 mph4 km/h96%11%0
Sun 4aClear37°3° (likely 36°2° to 41°5°)37°3°0%0 mph0 km/h, gusts 1 mph2 km/h100%14%0
Sun 5aClear37°3° (likely 36°2° to 40°4°)37°3°0%0 mph0 km/h, gusts 2 mph3 km/h96%14%0
Sun 6aClear36°2° (likely 36°2° to 39°4°)36°2°0%0 mph0 km/h, gusts 2 mph3 km/h100%16%0
Sun 7aSunny36°2° (likely 35°2° to 39°4°)36°2°0%0 mph0 km/h, gusts 1 mph2 km/h100%15%0
Sun 8aSunny35°2° (likely 35°2° to 40°4°)35°2°0%0 mph0 km/h, gusts 1 mph2 km/h100%16%0
Sun 9aSunny41°5° (likely 38°3° to 44°7°)41°5°0%0 mph0 km/h, gusts 1 mph2 km/h96%15%1
Sun 10aSunny49°9° (likely 46°8° to 49°9°)49°9°0%0 mph0 km/h, gusts 2 mph3 km/h77%2%2
Sun 11aSunny54°12° (likely 53°12° to 54°12°)54°12°0%0 mph0 km/h, gusts 4 mph6 km/h66%2%3
Sun 12pSunny57°14° (likely 56°13° to 58°14°)57°14°0%0 mph0 km/h, gusts 6 mph9 km/h59%2%4
Sun 1pSunny62°17° (likely 58°14° to 62°17°)62°17°0%2 mph3 km/h from W, gusts 7 mph11 km/h50%2%4
Sun 2pSunny64°18° (likely 60°16° to 64°18°)64°18°0%2 mph3 km/h from SW, gusts 7 mph11 km/h46%2%4
Sun 3pSunny64°18° (likely 61°16° to 64°18°)64°18°0%2 mph3 km/h from SW, gusts 8 mph12 km/h46%3%3
Sun 4pSunny65°18° (likely 61°16° to 65°18°)65°18°0%1 mph2 km/h from S, gusts 9 mph14 km/h45%2%2
Sun 5pSunny64°18° (likely 60°16° to 64°18°)64°18°0%0 mph0 km/h, gusts 7 mph12 km/h46%2%1
Sun 6pClear61°16° (likely 56°13° to 61°16°)61°16°0%0 mph0 km/h, gusts 5 mph8 km/h49%0%0
Sun 7pClear56°13° (likely 53°12° to 56°13°)56°13°0%0 mph0 km/h, gusts 5 mph8 km/h62%0%0
Sun 8pClear51°11° (likely 51°11° to 52°11°)51°11°0%0 mph0 km/h, gusts 4 mph7 km/h74%0%0
Sun 9pClear48°9° (likely 48°9° to 51°11°)48°9°0%0 mph0 km/h, gusts 3 mph4 km/h83%0%0
Sun 10pClear46°8° (likely 46°8° to 49°9°)46°8°0%0 mph0 km/h, gusts 3 mph5 km/h89%0%0
Sun 11pClear45°7° (likely 44°7° to 47°8°)45°7°0%0 mph0 km/h, gusts 4 mph6 km/h93%0%0
Mon 12aFog44°7° (likely 43°6° to 46°8°)44°7°0%0 mph0 km/h, gusts 4 mph6 km/h96%42%0
Mon 1aFog42°6° (likely 42°6° to 45°7°)42°6°0%0 mph0 km/h, gusts 3 mph5 km/h100%17%0
Mon 2aFog41°5° (likely 41°5° to 44°7°)41°5°0%0 mph0 km/h, gusts 3 mph4 km/h100%21%0
Mon 3aFog40°4° (likely 39°4° to 43°6°)40°4°0%0 mph0 km/h, gusts 3 mph4 km/h100%20%0
Mon 4aFog39°4° (likely 39°4° to 42°6°)39°4°0%1 mph2 km/h from W, gusts 2 mph4 km/h100%17%0
Mon 5aClear39°4° (likely 38°3° to 42°6°)39°4°0%1 mph2 km/h from W, gusts 2 mph4 km/h100%18%0
Mon 6aClear38°3° (likely 37°3° to 41°5°)38°3°0%1 mph2 km/h from W, gusts 2 mph4 km/h100%22%0
Mon 7aSunny37°3° (likely 36°2° to 41°5°)37°3°0%1 mph2 km/h from W, gusts 3 mph5 km/h100%30%0
Mon 8aSunny38°3° (likely 35°2° to 42°6°)38°3°0%1 mph2 km/h from W, gusts 4 mph6 km/h100%27%0
Mon 9aMostly sunny43°6° (likely 37°3° to 47°8°)43°6°0%1 mph2 km/h from W, gusts 5 mph8 km/h93%26%1
Mon 10aMostly sunny50°10° (likely 44°7° to 53°12°)50°10°0%2 mph3 km/h from W, gusts 7 mph11 km/h80%4%2

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Sunny. High 63°17°, low 35°2°. Typical 63°17° / 43°6°. Dry. Forecasts agree.
    1. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 49°9°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 37°3°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 63. Southeast wind around 1 mph.

    Tonight: Patchy fog between 2am and 4am, then patchy frost and patchy fog. Clear, with a low around 35. Northeast wind around 1 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    59°15°–63°17°
    Low, likely
    34°1°–36°2°
    Typical high / low
    63°17° / 43°6°
    Wind
    7 mph10 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Fog. High 66°19°, low 37°3°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 35°2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Fog, 39°4°

      Dry

    Official NWS forecast

    Day: Patchy frost and patchy fog before 10am. Sunny, with a high near 66. West wind around 2 mph.

    Night: Areas of fog after 10pm. Mostly clear, with a low around 37. West wind around 1 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    61°16°–66°19°
    Low, likely
    35°2°–39°4°
    Typical high / low
    62°17° / 42°6°
    Wind
    7 mph11 km/h
    UV peak
    4
  3. Monday, Oct 26. Fog. High 70°21°, low 45°7°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 49°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy fog before 9am. Sunny, with a high near 70. West wind 1 to 7 mph.

    Night: Mostly clear, with a low around 45.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    65°18°–70°21°
    Low, likely
    35°2°–45°7°
    Typical high / low
    62°17° / 42°6°
    Wind
    9 mph14 km/h, gusts 15 mph23 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 64°18°, low 40°4°. Typical 62°17° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 41°5°

      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 40.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    62°17°–65°18°
    Low, likely
    40°4°–48°9°
    Typical high / low
    62°17° / 42°6°
    Wind
    10 mph15 km/h, gusts 20 mph32 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 63°17°, low 44°7°. Typical 61°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 40°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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    59°15°–63°17°
    Low, likely
    38°3°–44°7°
    Typical high / low
    61°16° / 42°6°
    Wind
    7 mph10 km/h, gusts 16 mph26 km/h
    UV peak
    3
  6. Thursday, Oct 29. Partly sunny. High 70°21°, low 48°9°. Typical 61°16° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      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 70.

    Night: Mostly clear, with a low around 48.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    65°18°–70°21°
    Low, likely
    43°6°–48°9°
    Typical high / low
    61°16° / 41°5°
    Wind
    7 mph10 km/h, gusts 21 mph33 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly sunny. High 72°22°, low 46°8°. Typical 60°16° / 41°5°. 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, 56°13°

      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 72.

    Night: Mostly clear, with a low around 46.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    69°21°–72°22°
    Low, likely
    42°6°–48°9°
    Typical high / low
    60°16° / 41°5°
    Wind
    11 mph17 km/h, gusts 24 mph38 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 68°20°, low 46°8°. Typical 60°16° / 40°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 57°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
    61°16°–72°22°
    Low, likely
    41°5°–51°11°
    Typical high / low
    60°16° / 40°4°
    Wind
    13 mph20 km/h, gusts 27 mph44 km/h
    UV peak
    4
  9. Sunday, Nov 1. Cloudy. High 66°19°, low 48°9°. Typical 60°16° / 40°4°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 65°18°

      20% chance

    3. Evening

      6 PM–midnight

      Cloudy, 56°13°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      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
    54°12°–71°22°
    Low, likely
    38°3°–54°12°
    Typical high / low
    60°16° / 40°4°
    Wind
    7 mph12 km/h, gusts 16 mph26 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 65°18°, low 52°11°. Typical 59°15° / 40°4°. Rain 0.17 in4.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 56°13°

      30% chance · 0.02 in0.6 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 65°18°

      20% 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
    53°12°–71°22°
    Low, likely
    40°4°–59°15°
    Typical high / low
    59°15° / 40°4°
    Wind
    11 mph17 km/h, gusts 17 mph28 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 63°, low 35°.

  2. Tomorrow

    Dry, high 66°, low 37°, warming up.

  3. Monday

    Dry, high 70°, low 45°, warming up.

  4. Rest of week

    Mostly dry, highs 63–72°.

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 Middletown

0.5 mi
Below flood stage
Level
2.2 ft

Forecast peak 2.2 ft Sat 2 PM

Reading from Sat 10:15 AM · NWS gauge page

Swatara Creek near Hershey

8.3 mi
Below flood stage
Level
1.8 ft
Flow
318 cfs

Forecast peak 1.8 ft Sat 2 PM

Reading from Sat 9:45 AM · NWS gauge page

Yellow Breeches Creek near Camp Hill

9.6 mi
Below flood stage
Level
1.2 ft
Flow
134 cfs

Forecast peak 1.2 ft Sat 2 PM

Reading from Sat 9:45 AM · NWS gauge page

Susquehanna River at Harrisburg

9.8 mi
Below flood stage
Level
3.7 ft
Flow
11,900 cfs

Forecast peak 3.7 ft Sat 2 PM

Reading from Sat 10 AM · NWS gauge page

For your home

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

Heating this week

About 65% less heating than a typical week.

This week 33Typical 93

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 18 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 43°F).

Open the windows?

Today, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 24, today vs a typical year

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

Normal high / low
63°17° / 43°6°
Forecast high / low
63°17° / 35°2°
Record high
80°27° in 2001
Record low
23°−5° in 1969

Last 7 days vs normal

On average 1° colder than normal (daily mean temperature).

  1. −7°−4°SunOct 18
  2. −2°−1°MonOct 19
  3. +4°+2°TueOct 20
  4. −1°WedOct 21
  5. +2°+1°ThuOct 22
  6. −2°−1°FriOct 23
  7. —SatOct 24

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

Sun & moon

Sun

Sunrise 7:27 AM, sunset 6:14 PM.

Daylight
10 h 47 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 28 min less
Golden hour
5:36–6:31 PM
Morning 7:10–8:05 AM
Blue hour
6:31–6:41 PM
Morning 6:59–7:10 AM; first light 6:59 AM

Stars tonight? Fair

Clear 6:41 PM–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:39 AM · rises 5:10 PM
Full moon
Oct 26
New moon
Nov 9
Looking northwest from Royalton. The highest point on the skyline is about 2,000 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.