Fairfax, DE Weather Forecast
Local 7-day forecast
Sunny then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfax, DE in one place.
A chance of rain showers after 2pm. Sunny, with a high near 62. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Fairfax, DE 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 29, 2026 4:45 AM EDT.
The active forecast window currently covers May 1 to May 5, 2026 for Fairfax, DE.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 1 to May 5, 2026
- Latest sync
- Apr 29, 2026 4:45 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfax
Tuesday looks like the warmest upcoming period in Fairfax at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 29, 2026 4:45 AM 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
A chance of rain showers before 2am. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
A slight chance of rain showers after 8am. Partly sunny, with a high near 58.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 40.
Mostly sunny, with a high near 61.
Partly cloudy, with a low around 44.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 65.
A slight chance of rain showers before 2am. Partly cloudy, with a low around 46.
A chance of rain showers after 8am. Mostly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 1
|
Sunny then Chance Rain Showers
|
62°F |
5 to 10 mph
W
|
|
Friday Night
May 1
|
Chance Rain Showers
|
43°F |
5 to 10 mph
NW
|
|
Saturday
May 2
|
Slight Chance Rain Showers
|
58°F |
5 to 10 mph
NW
|
|
Saturday Night
May 2
|
Slight Chance Rain Showers then Partly Cloudy
|
40°F |
5 to 10 mph
NW
|
|
Sunday
May 3
|
Mostly Sunny
|
61°F |
5 to 15 mph
W
|
|
Sunday Night
May 3
|
Partly Cloudy
|
44°F |
5 to 10 mph
W
|
|
Monday
May 4
|
Mostly Sunny then Slight Chance Rain Showers
|
65°F |
5 to 15 mph
W
|
|
Monday Night
May 4
|
Slight Chance Rain Showers
|
46°F |
5 to 10 mph
SW
|
|
Tuesday
May 5
|
Chance Rain Showers
|
70°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fairfax.