Potomac, VA Weather Forecast | 5 Day
Updated: Sat Sep 26th 2026 6:30 PM EDT
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Light Drizzle
Sat 9-26-26
Light Drizzle with a high of 66°F and a low of 57°F. It will likey rain, having a 77% chance of a downpour with an estimated 0.29in. Wind will be moderate, blowing around 14mph on average and gusts of 29.1mph at 7 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 94% at 7 PM and 91% being its lowest at 10 PM. Barometric pressure is its highest of 29.88inHg at 7 PM, a lowest point of 29.85inHg at 11 PM with an avg 29.87inHg.
- HI: 66°F
- LO: 57°F
- Rainfall: 77% | est. 0.29in
- Snowfall: 0%
- Wind
13.9 mph - Humidity
75% avg. - UV Index
2 - Air QualityGood
- Sunrise
06:59 AM - Sunset
06:59 PM - Moonrise
06:49 PM - Moonset
06:57 AM - Moon Phase
Full Moon
Overcast
Weather Tomorrow, Sun 9-27-26
Overcast with a high of 69°F and a low of 56°F. Rainfall expected to have a 70% chance with an estimated 0.1in. Wind will be moderate, blowing around 14mph on average and gusts of 27.8mph at 3 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 96% at 12 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 29.84inHg at 12 AM, a lowest point of 29.72inHg at 2 PM with an avg 29.76inHg.
- HI: 69°F
- LO: 56°F
- Rainfall: 70% | est. 0.1in
- Snowfall: 0%
- Wind
13.6 mph - Humidity
75% avg. - UV Index
4 - Air QualityGood
- Sunrise
07:00 AM - Sunset
06:57 PM - Moonrise
07:12 PM - Moonset
07:59 AM - Moon Phase
Waning Gibbous
Overcast
Mon 9-28-26
Overcast with a high of 68°F and a low of 59°F. There might be light rainfall having a 23% chance with an estimated 0in. Winds will be light at 10mph and gusts of 18.4mph at 8 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 80% at 12 AM and 65% being its lowest at 1 PM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.78inHg at 12 AM with an avg 29.87inHg.
- HI: 68°F
- LO: 59°F
- Rainfall: 23% | est. 0in
- Snowfall: 0%
- Wind
9.4 mph - Humidity
76% avg. - UV Index
3.8 - Air QualityGood
- Sunrise
07:01 AM - Sunset
06:56 PM - Moonrise
07:38 PM - Moonset
09:03 AM - Moon Phase
Waning Gibbous
Overcast
Tue 9-29-26
Overcast with a high of 73°F and a low of 62°F. There might be light rainfall having a 19% chance. Winds will be light at 6mph and gusts of 15.9mph at 12 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 83% at 6 AM and 57% being its lowest at 5 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.97inHg at 2 AM with an avg 30.03inHg.
- HI: 73°F
- LO: 62°F
- Rainfall: 19%
- Snowfall: 0%
- Wind
5.1 mph - Humidity
73% avg. - UV Index
3.7 - Air QualityGood
- Sunrise
07:02 AM - Sunset
06:54 PM - Moonrise
08:10 PM - Moonset
10:10 AM - Moon Phase
Waning Gibbous
Overcast
Wed 9-30-26
Overcast with a high of 81°F and a low of 60°F. There might be light rainfall having a 11% chance. Winds will be light at 7mph and gusts of 12.8mph at 6 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 92% at 6 AM and 46% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 9 AM, a lowest point of 30.03inHg at 5 PM with an avg 30.08inHg.
- HI: 81°F
- LO: 60°F
- Rainfall: 11%
- Snowfall: 0%
- Wind
6.9 mph - Humidity
71% avg. - UV Index
5.8 - Air QualityModerate
- Sunrise
07:03 AM - Sunset
06:53 PM - Moonrise
08:48 PM - Moonset
11:19 AM - Moon Phase
Waning Gibbous
Overcast
Thu 10-1-26
Overcast with a high of 87°F and a low of 61°F. There might be light rainfall having a 11% chance. Winds will be light at 6mph and gusts of 12.8mph at 5 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 87% at 7 AM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 30.06inHg at 1 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.02inHg.
- HI: 87°F
- LO: 61°F
- Rainfall: 11%
- Snowfall: 0%
- Wind
5.4 mph - Humidity
63% avg. - UV Index
8 - Air QualityTBA
- Sunrise
07:04 AM - Sunset
06:51 PM - Moonrise
09:36 PM - Moonset
12:28 PM - Moon Phase
Last Quarter
Currently
|
57°F |
29.86 inHg.
Barometer 93%
Humidity NNW 20.5 mph Wind |
| Light Drizzle | ||
National Outlook
Intense Nor'easter Brings Coastal Flooding to the Mid-Atlantic and Northeast 09-26 to 09-28
Sat Sep 26th 2026, 1:35am PDT
Read
Nor'easter and Heavy Rain Threats Upcoming 09-29 to 10-03
Extended Forecast
Sat Sep 26th 2026, 1:36am PDT
Read
Sat Sep 26th 2026, 1:36am PDT
5 Day Forecast Nearby
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