Brandywine, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Brandywine Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Thunderstorms | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Sunny |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 40% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 704 PM EDT Sun Aug 23 2026 

Brandywine Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Brandywine Weather Map
Brandywine Quick Facts
Brandywine Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 748 PM EDT Sun Aug 23 2026
Key Messages
1. A drier airmass spreads into the region into tonight.
2. Fair weather is expected to return Monday and should persist into the middle of the upcoming week.
3. More unsettled to end the week.
Discussion
... KEY MESSAGE 1...A drier airmass spreads into the region into tonight.
In the wake of a cold front that is passing offshore this afternoon, a drier airmass continues to spread into the region with surface dewpoints dropping from the upper 60s to around 70 to the low 60. A few showers ...
Weather World