Hummelstown, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hummelstown, PA in one place.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 75 in the afternoon. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Hummelstown, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 5:07 PM EDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Hummelstown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:07 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Hummelstown
Friday looks like the warmest upcoming period in Hummelstown at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Saturday at about 15 to 18 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 5:07 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 45. Northwest wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 54. North wind 15 to 18 mph, with gusts as high as 29 mph.
Areas of frost after 4am. Mostly clear, with a low around 36.
Areas of frost before 9am. Sunny, with a high near 59.
Mostly clear, with a low around 38.
Sunny, with a high near 64.
Mostly clear, with a low around 41.
Sunny, with a high near 67.
Mostly clear, with a low around 45.
Sunny, with a high near 67.
Mostly clear, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
10 to 16 mph
SW
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
45°F |
13 to 17 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
54°F |
15 to 18 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear then Areas Of Frost
|
36°F |
2 to 13 mph
N
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
59°F |
5 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
0 to 5 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
64°F |
0 to 6 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
41°F |
0 to 3 mph
NE
|
|
Tuesday
Oct 20
|
Sunny
|
67°F |
0 to 5 mph
NW
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
3 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
67°F |
6 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
43°F |
3 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hummelstown.
