Harleysville, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harleysville, PA in one place.
A chance of rain showers before 8am. Mostly sunny, with a high near 53. North wind 15 to 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Harleysville, 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 3:33 PM EDT.
The active forecast window currently covers Oct 17 to Oct 21, 2026 for Harleysville, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:33 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Harleysville
Tuesday looks like the warmest upcoming period in Harleysville at 65 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 15, 2026 3:33 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of frost after 8pm. Mostly clear, with a low around 35.
Areas of frost before 10am. Sunny, with a high near 56.
Mostly clear, with a low around 37.
Sunny, with a high near 62.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 43.
Sunny, with a high near 65.
Mostly clear, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 17
|
Chance Rain Showers then Mostly Sunny
|
53°F |
15 to 20 mph
N
|
|
Saturday Night
Oct 17
|
Areas Of Frost
|
35°F |
0 to 15 mph
N
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
56°F |
0 to 5 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
37°F |
0 to 5 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
62°F |
0 to 5 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
0 to 5 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
43°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
65°F |
0 to 5 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
42°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harleysville.