Weather in Potomac, Maryland
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Potomac, MD
Sunday, May 17 at 1:44 AM
74
°
Clear
Feels like
76°
Humidity
63%
Wind
5 mph
Sunrise
5:54 AM
Sunset
8:15 PM
Potomac, MD
Hour by hour · 24h
56°
9p
54°
10p
54°
11p
53°
12a
52°
1a
54°
2a
54°
3a
55°
4a
54°
5a
53°
6a
54°
7a
55°
8a
57°
9a
60°
10a
62°
11a
64°
12p
66°
1p
68°
2p
69°
3p
71°
4p
72°
5p
72°
6p
71°
7p
68°
8p
Potomac, MD
7-day forecast
- TodayMay 16Overcast27%85°49°
- SundayMay 17Light Drizzle18%88°61°
- MondayMay 18Light Showers—95°64°
- TuesdayMay 19Overcast—95°64°
- WednesdayMay 20Light Showers67%94°65°
- ThursdayMay 21Light Drizzle48%61°55°
- FridayMay 22Drizzle49%57°49°
Potomac, MD
Next 24 hours · Cool now
Potomac, MD
Anemometer · 24h winds · from true
From · True
WNW
287° · backing 66°
Direction
WNW
287°
Sustained
5
mph
Gust
11
mph
Peak 24h
18
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
Potomac, MD
Air quality
81
AQI
Moderate
- PM 2.5
- 9.9 μg/m³
- PM 10
- 10.2 μg/m³
- NO₂
- 8.2 μg/m³
- Ozone
- 97.0 μg/m³
- UV Index
- 0.0 Low
Potomac, MD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:26 AM
Sunrise
5:54 AM
Daylight
14h 21m
Sunset
8:15 PM
Civil dusk
12:46 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Potomac, MD
The moon
New Moon
0% illuminated
- Moonrise
- 9:59 AM
- Moonset
- 12:42 AM
- In sign
- ♉︎ Taurus
Potomac, MD
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Potomac at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 10 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.