Belfast, PA Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Belfast, PA in one place.
Rain showers likely before 7am, then rain showers and patchy fog between 7am and 3pm. Mostly cloudy, with a high near 53. Northwest wind 5 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Belfast, 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: Apr 18, 2026 6:58 PM EDT.
The active forecast window currently covers Apr 19 to Apr 24, 2026 for Belfast, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 6:58 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Belfast
Friday looks like the warmest upcoming period in Belfast at 74 degrees F.
Monday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 6:58 PM EDT
- Coverage
- 6 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
Partly cloudy, with a low around 36. West wind 0 to 15 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 49. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Areas of frost after 11pm. Mostly clear, with a low around 28.
Areas of frost before 10am. Sunny, with a high near 54.
A chance of rain showers after 8pm. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
A chance of rain showers before 2pm. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Mostly clear, with a low around 41.
Sunny, with a high near 71.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 74.
A slight chance of rain showers after 8pm. Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Rain Showers
|
53°F |
5 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
36°F |
0 to 15 mph
W
|
|
Monday
Apr 20
|
Slight Chance Rain Showers
|
49°F |
5 to 10 mph
NW
|
|
Monday Night
Apr 20
|
Areas Of Frost
|
28°F |
0 to 10 mph
NW
|
|
Tuesday
Apr 21
|
Areas Of Frost then Sunny
|
54°F |
0 to 5 mph
W
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
38°F |
5 mph
S
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
65°F |
5 mph
W
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
41°F |
0 to 5 mph
NW
|
|
Thursday
Apr 23
|
Sunny
|
71°F |
0 to 5 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
46°F |
0 to 5 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
74°F |
0 to 5 mph
NW
|
|
Friday Night
Apr 24
|
Slight Chance Rain Showers
|
49°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belfast.