Silver Spring, Maryland

Last updated: 12:17 AM CDT  ·  Refresh
22°C
Feels like 26°
Partly Cloudy
▲ 33°  /  ▼ 21°
Wind
3 mph ESE
Humidity
88%
Dew Point
21°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
55%
Sunrise
6:38 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Silver Spring is currently partly cloudy at 22°C. Precipitation is likely — peak probability 63% around 6 PM. Atmospheric instability is elevated (CAPE up to 1958 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 7:35PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
36%
2 AM
23°
36%
3 AM
23°
28%
4 AM
23°
28%
5 AM
21°
10%
6 AM
21°
11%
7 AM
22°
7%
8 AM
22°
15%
9 AM
24°
17%
10 AM
26°
20%
11 AM
28°
36%
12 PM
29°
37%
1 PM
31°
38%
2 PM
32°
42%
3 PM
32°
47%
4 PM
32°
48%
5 PM
33°
51%
6 PM
32°
62%
7 PM
31°
53%
8 PM
29°
45%
9 PM
28°
46%
10 PM
27°
42%
11 PM
27°
26%
12 AM
26°
26%
7-Day Forecast
Today
33° 21°
Partly Cloudy with a 53% chance of rain.
Fri
34° 21°
Mostly Clear with a 57% chance of rain.
Sat
28° 21°
Partly Cloudy with a 36% chance of rain.
Sun
26° 17°
Partly Cloudy.
Mon
27° 17°
Clear.
Tue
28° 17°
Clear.
Wed
29° 19°
Rain, 27% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Partly Cloudy 36% 3 mph ESE 88%
2 AM 23° Partly Cloudy 36% 3 mph SE 89%
3 AM 23° Mostly Cloudy 28% 3 mph SSE 91%
4 AM 23° Overcast 28% 3 mph SSE 92%
5 AM 21° Mostly Cloudy 10% 3 mph SSE 93%
6 AM 21° Fog 11% 3 mph S 92%
7 AM 22° Mostly Cloudy 7% 3 mph SSW 92%
8 AM 22° Mostly Cloudy 15% 4 mph SSW 90%
9 AM 24° Partly Cloudy 17% 3 mph SW 84%
10 AM 26° Partly Cloudy 20% 4 mph SW 77%
11 AM 28° Partly Cloudy 36% 4 mph WSW 69%
12 PM 29° Mostly Clear 37% 4 mph WSW 61%
1 PM 31° Mostly Clear 38% 6 mph WSW 53%
2 PM 32° Mostly Clear 42% 6 mph W 48%
3 PM 32° Partly Cloudy 47% 6 mph W 49%
4 PM 32° Partly Cloudy 48% 7 mph W 50%
5 PM 33° Partly Cloudy 51% 8 mph WNW 52%
6 PM 32° Partly Cloudy 62% 6 mph W 57%
7 PM 31° Mostly Cloudy 53% 5 mph SW 62%
8 PM 29° Mostly Cloudy 45% 6 mph SW 68%
9 PM 28° Mostly Cloudy 46% 6 mph SW 73%
10 PM 27° Mostly Cloudy 42% 6 mph WSW 78%
11 PM 27° Mostly Cloudy 26% 6 mph WSW 81%
12 AM 26° Mostly Cloudy 26% 6 mph WSW 80%
15-Day Forecast
Today
9/3
Partly Cloudy
53%
21°
33°
Fri
9/4
Mostly Clear
57%
21°
34°
Sat
9/5
Partly Cloudy
36%
21°
28°
Sun
9/6
Partly Cloudy
15%
17°
26°
Mon
9/7
Clear
16%
17°
27°
Tue
9/8
Clear
8%
17°
28°
Wed
9/9
Rain
27%
19°
29°
Thu
9/10
Rain
68%
21°
31°
Fri
9/11
Drizzle
44%
18°
28°
Sat
9/12
Clear
44%
17°
28°
Sun
9/13
Drizzle
60%
21°
30°
Mon
9/14
Drizzle
60%
22°
29°
Tue
9/15
Drizzle
60%
21°
28°
Wed
9/16
Clear
60%
20°
27°
Thu
9/17
Drizzle
60%
19°
26°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.8 µg/m³
O3
Ground-level ozone
48 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 48 52
Fri 53 Moderate 46 53
Sat 52 Moderate 37 52
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Sep 3, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE134 J/kg
MLCAPE51 J/kg
MUCAPE345 J/kg
SBCIN-457 J/kg
MLCIN-498 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear30 kt
0–1 km Shear21 kt
Eff. Shear20 kt
0–1 km SRH137
0–3 km SRH183
Eff. SRH40
Storm Motion314° @ 22 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.1
K-Index29.9
Thermo & Levels
PWAT1.62 in
0–3 km LR3.8 °C/km
700–500 LR7.0 °C/km
Total Totals49.6
LCL984 hPa
LFC595 hPa
EL354 hPa
Freezing Lvl15,003 ft