Weather Tomorrow

Weather Tomorrow for ZIP 20854

Potomac, MD · View full Potomac forecast

Sunday, September 13, 2026

85°Low 70°FColdHot
Clear

Precip chance

87%

Wind

1-6 mph

Humidity

87%

Feels like

83–72°F

Rain forecast

Rain likely starts around 4 AM and may continue until 11 AM. Peak chance: 87% around 5 AM.

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

70°Temperature trend85°
TimeTempConditionRain %Wind
4 AM☽72°FPatchy Fog
79%
3 mph SE
5 AM☽72°FPatchy Fog
87%
2 mph SE
6 AM☽71°FPatchy Fog
87%
2 mph SE
7 AM☽72°FPatchy Fog
72%
1 mph S
8 AM☽71°FPatchy Fog
69%
1 mph S
9 AM☽71°FPatchy Fog
71%
1 mph S
10 AM71°FPatchy Fog
67%
1 mph SE
11 AM70°FPatchy Fog
44%
1 mph W
12 PM71°FPatchy Fog
12%
2 mph W
1 PM72°FPatchy Fog
7%
3 mph W
2 PM76°FMostly Sunny
8%
5 mph W
3 PM78°FMostly Sunny
8%
6 mph W
4 PM80°FMostly Sunny
5%
6 mph NW
5 PM82°FMostly Sunny
3%
6 mph NW
6 PM84°FMostly Sunny
4%
6 mph NW
7 PM84°FMostly Sunny
2%
6 mph NW
8 PM84°FMostly Sunny
1%
6 mph NW
9 PM85°FMostly Sunny
1%
5 mph NW
10 PM☽84°FMostly Clear
1%
5 mph NW
11 PM☽82°FClear
1%
2 mph NW
12 AM☽79°FMostly Clear
1%
2 mph W
1 AM☽76°FClear
1%
2 mph SW
2 AM☽74°FMostly Clear
0%
2 mph W
3 AM☽73°FMostly Clear
0%
2 mph W

Precipitation Timeline

100%
50%
87%
4a10a4p10p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

  • • Light t-shirt or tank top
  • • Shorts or light skirt
  • • Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

  • • Umbrella
  • • Sunscreen

Conditions

High: 85°F

Low: 70°F

Wind: 1-6 mph

Rain: 87%

Rain expected around 4 AM — carry an umbrella.

Best Time to Be Outside Tomorrow

12 PM – 1 PM96

Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)

4a10a4p10p