Hummelstown, PA Weather Forecast

Local 7-day forecast

88°
F

Smoke

Track current conditions, temperature changes, wind, and the full daily outlook for Hummelstown, PA in one place.

Friday, July 17, 2026
Wind: 3 mph NW
Today

Smoke. Mostly sunny, with a high near 88. Northwest wind around 3 mph.

Local 7-day forecast

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: Jul 17, 2026 9:50 AM EDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Hummelstown, PA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 17, 2026 9:50 AM EDT
Forecast office
CTP
Source
NOAA / NWS
Next High
88°F
Today
Next Low
69°F
Tonight
Rain Outlook
5
Periods mentioning precipitation
Windiest
9 to 15 mph
Wednesday

Daily Outlook

Today
Jul 17
Smoke
88 °F
/ 69°F
Wind 3 mph
Sat
Jul 18
Smoke
87 °F
/ 69°F
Wind 3 to 9 mph
Sun
Jul 19
Sunny
84 °F
/ 61°F
Wind 10 mph
Mon
Jul 20
Sunny
85 °F
/ 68°F
Wind 0 to 6 mph
Tue
Jul 21
Slight Chance Showers And Thunderstorms
88 °F
/ 68°F
Wind 7 to 13 mph
Wed
Jul 22
Chance Rain Showers then Mostly Sunny
84 °F
/ 62°F
Wind 9 to 15 mph
Thu
Jul 23
Sunny
82 °F
/ 61°F
Wind 5 to 8 mph

This Week in Hummelstown

Today looks like the warmest upcoming period in Hummelstown at 88 degrees F.

Sunday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Wednesday at about 9 to 15 mph W.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 9:50 AM EDT
Coverage
7 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 source

Extended Forecast

Tonight
Jul 17
69°F
Smoke
3 mph SE

Smoke. Mostly cloudy, with a low around 69. Southeast wind around 3 mph.

Saturday
Jul 18
87°F
Smoke
3 to 9 mph S

Smoke before 7am, then smoke and a slight chance of showers and thunderstorms between 7am and 8am, then smoke and showers and thunderstorms. Cloudy, with a high near 87. South wind 3 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
Jul 18
69°F
Showers And Thunderstorms Likely
10 mph W

Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 69. West wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Jul 19
84°F
Sunny
10 mph NW

Sunny, with a high near 84. Northwest wind around 10 mph.

Sunday Night
Jul 19
61°F
Mostly Clear
1 to 8 mph N

Mostly clear, with a low around 61.

Monday
Jul 20
85°F
Sunny
0 to 6 mph E

Sunny, with a high near 85.

Monday Night
Jul 20
68°F
Mostly Cloudy
7 mph SE

Mostly cloudy, with a low around 68.

Tuesday
Jul 21
88°F
Slight Chance Showers And Thunderstorms
7 to 13 mph S

A slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

Tuesday Night
Jul 21
68°F
Showers And Thunderstorms Likely
8 to 12 mph SW

Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

Wednesday
Jul 22
84°F
Chance Rain Showers then Mostly Sunny
9 to 15 mph W

A chance of rain showers before 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

Wednesday Night
Jul 22
62°F
Mostly Clear
6 to 14 mph NW

Mostly clear, with a low around 62.

Thursday
Jul 23
82°F
Sunny
5 to 8 mph NW

Sunny, with a high near 82.

Thursday Night
Jul 23
61°F
Mostly Clear
1 to 7 mph NW

Mostly clear, with a low around 61.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 17
Smoke
88°F
3 mph
NW
Tonight
Jul 17
Smoke
69°F
3 mph
SE
Saturday
Jul 18
Smoke
87°F
3 to 9 mph
S
Saturday Night
Jul 18
Showers And Thunderstorms Likely
69°F
10 mph
W
Sunday
Jul 19
Sunny
84°F
10 mph
NW
Sunday Night
Jul 19
Mostly Clear
61°F
1 to 8 mph
N
Monday
Jul 20
Sunny
85°F
0 to 6 mph
E
Monday Night
Jul 20
Mostly Cloudy
68°F
7 mph
SE
Tuesday
Jul 21
Slight Chance Showers And Thunderstorms
88°F
7 to 13 mph
S
Tuesday Night
Jul 21
Showers And Thunderstorms Likely
68°F
8 to 12 mph
SW
Wednesday
Jul 22
Chance Rain Showers then Mostly Sunny
84°F
9 to 15 mph
W
Wednesday Night
Jul 22
Mostly Clear
62°F
6 to 14 mph
NW
Thursday
Jul 23
Sunny
82°F
5 to 8 mph
NW
Thursday Night
Jul 23
Mostly Clear
61°F
1 to 7 mph
NW
Hummelstown
Hummelstown image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.