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WeatherLive › Maryland › Green Valley

Green Valley, MD Weather (21754)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherGreen Valley · 4:41 PM EDT
89° | 69°
86°F
Feels like 94°
Rain
WindNW 18 mph · Gusts 24 mph
Precip72% · 0.31 in
Humidity70% · Dew point 75°
UV index7 High
Air Quality135 Unhealthy for Sensitive Groups
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:26 AM · 7:58 PM · 13h 32m

Weather map — Green Valley

Full radar →
Now
86°
0.03 in
18 mph
17:00
87°
0.03 in
16 mph
18:00
82°
0.03 in
10 mph
19:00
78°
0.04 in
12 mph
20:00
76°
0.04 in
13 mph
21:00
74°
0.04 in
10 mph
22:00
71°
0.04 in
9 mph
23:00
70°
0.04 in
8 mph
00:00
69°
0.04 in
7 mph
01:00
67°
0.04 in
7 mph
02:00
66°
0.04 in
7 mph
03:00
65°
0.04 in
6 mph
04:00
64°
0.04 in
5 mph
05:00
64°
0.04 in
5 mph
06:00
61°
25%
6 mph
07:00
61°
24%
6 mph
08:00
63°
14%
8 mph
09:00
66°
19%
8 mph
10:00
70°
17%
8 mph
11:00
73°
15%
8 mph
12:00
75°
14%
8 mph
13:00
78°
13%
8 mph
14:00
79°
12%
7 mph
15:00
79°
12%
6 mph

Today · Thu 8/20

High 89°
72% / 0.31 in

Sunny. Winds NW at 18 mph.

Tonight · Thu 8/20

Low 61°
53% / 0.04 in

Light rain. Winds NE at 10 mph.

Tomorrow · Fri 8/21

80° | 61°
76% / 0.22 in

Mostly cloudy. Winds NE at 8 mph.

7-day trend

Green Valley · temperature + precipitation

10-day forecast

Updated 4:41 PM

Details & indices

Wind
18 mph NW
Gusts 24 mph
Humidity
70%
Dew point 75°
Pressure
29.91 inHg
Rising
UV index
7 — High
High today
Air Quality
Unhealthy for Sensitive Groups
AQI 135 · US EPA
Allergy
Moderate
Mugwort
Visibility
6 mi
Clear view
Allergy — Green Valley

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Low

Sun & moon

Sunrise6:26 AM
Sunset7:58 PM
Length of day13h 32m
Moonrise2:57 PM
Moonset—
Moon phase🌓 First Quarter · 57%
Next full moonAug 28 Sturgeon Moon
Latitude39.3093°N
Longitude-77.2972°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Baltimore
—
—
Data sources · Thursday, August 20
Where the Green Valley forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 39.3093°N, -77.2972°.
NBM + global weather models
Updated: 4:41 PM
Weather in Green Valley
Over the next 10 days Green Valley tops out around 89° (Thursday) and dips to 60° on the coolest night (Tuesday). Models drop roughly 2.4 in of precipitation across the stretch — watch Thursday (94%). Hold onto the patio furniture Sunday: gusts could hit 26 mph. Heads up: a Severe Thunderstorm Watch is in effect — check the alerts tab before making plans. Right now Green Valley is running about 16° warmer than Pittsburgh. Longer view: variable mid-latitude weather in every season.
Green Valley, MD · Elev 397 ft · 39.31°N, 77.30°W · Maryland · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 4:41 PM