Weather in Gaithersburg, Maryland
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Gaithersburg, MD
Sunday, May 17 at 2:44 AM
70
°
Clear
Feels like
71°
Humidity
65%
Wind
5 mph
Sunrise
5:54 AM
Sunset
8:15 PM
Gaithersburg, MD
Hour by hour · 24h
53°
10p
52°
11p
52°
12a
52°
1a
52°
2a
52°
3a
53°
4a
52°
5a
51°
6a
51°
7a
55°
8a
56°
9a
59°
10a
61°
11a
63°
12p
65°
1p
66°
2p
68°
3p
70°
4p
70°
5p
70°
6p
69°
7p
67°
8p
63°
9p
Gaithersburg, MD
7-day forecast
- TodayMay 16Overcast22%83°49°
- SundayMay 17Overcast19%85°62°
- MondayMay 18Light Showers12%97°65°
- TuesdayMay 19Overcast12%91°63°
- WednesdayMay 20Showers68%88°63°
- ThursdayMay 21Light Drizzle47%61°53°
- FridayMay 22Heavy Drizzle48%56°49°
Gaithersburg, MD
Next 24 hours · Cool now
Gaithersburg, MD
Anemometer · 24h winds · from true
From · True
WSW
254° · backing 9°
Direction
WSW
254°
Sustained
5
mph
Gust
8
mph
Peak 24h
18
avg 5
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
Gaithersburg, MD
Air quality
75
AQI
Moderate
- PM 2.5
- 9.7 μg/m³
- PM 10
- 10.0 μg/m³
- NO₂
- 9.8 μg/m³
- Ozone
- 84.0 μg/m³
- UV Index
- 0.0 Low
Gaithersburg, 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
12:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Gaithersburg, MD
The moon
New Moon
0% illuminated
- Moonrise
- 9:59 AM
- Moonset
- 12:42 AM
- In sign
- ♊︎ Gemini
Gaithersburg, MD
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Gaithersburg at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 11 (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.