Silver Spring, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Silver Spring weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain20%0.13″101°78°—
- SundayJul 5Rain50%0.17″97°74°-4°
- MondayJul 6Light Drizzle78%0.02″85°74°-12°
- TuesdayJul 7Thunderstorm75%0.29″89°71°+4°
- WednesdayJul 8Light Rain20%0.20″77°69°-12°
- ThursdayJul 9Overcast25%—92°68°+15°
- FridayJul 10Drizzle43%0.06″92°73°0°
AQI 81 (Moderate), driven by Ozone. AQI up 28 in the last 6 hours — air quality is degrading. Ozone at AQI 86 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 86 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 86
- UV peak
- 4.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 86
PM × Wind × Precip
PM2.5 at 8.5 µg/m³, PM10 at 9.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:00 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Silver Spring at a glance
- Today vs. normal: 28°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 20901, 20902, 20903, 20904, 20905, 20906, 20910
16-Day Forecast — Silver Spring
- Sat101°78°20%
- Sun97°74°50%
- Mon85°74°78%
- Tue89°71°75%
- Wed77°69°20%
- Thu92°68°25%
- Fri92°73°43%
- Sat92°69°37%
- Sun82°71°22%
- Mon81°69°22%
- Tue88°66°18%
- Wed94°71°33%
- Thu94°71°37%
- Fri91°76°42%
- Sat95°72°44%
- Sun90°71°46%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Silver Spring
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Silver Spring
SPC has placed Silver Spring in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July is Silver Spring's warmest stretch (~78°F) and January its coldest (~32°F); precipitation crests in August at 4.2 inches and ebbs in October to 2.6 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 3.3″ | 13 |
| February | 35° | 2.8″ | 12 |
| March | 44° | 3.4″ | 15 |
| April | 55° | 3.7″ | 17 |
| May | 63° | 3.5″ | 18 |
| June | 72° | 3.9″ | 17 |
| July | 78° | 3.2″ | 17 |
| August | 77° | 4.2″ | 18 |
| September | 70° | 3.4″ | 14 |
| October | 59° | 2.6″ | 11 |
| November | 46° | 3.6″ | 12 |
| December | 37° | 3.9″ | 14 |
Regional context
Per NOAA NCEI 1991-2020 normals, Silver Spring runs from a 32°F January mean to 78°F in July, a 46°F seasonal spread, with near 41.5 inches of precipitation across about 175 wet days.
Rainfall in Silver Spring stays even across the calendar: August tops out at 4.2 inches over 17.8 rainy days, and October still logs 2.6 inches across 11.1 — a narrow range for Silver Spring. That lines Silver Spring up with places like Four Corners, MD, Forest Glen, MD and Takoma Park, MD, fed by overlapping storm tracks.
Around mid-April, Silver Spring sheds its freezing nights — peas, lettuce, spinach, and radishes go into Silver Spring's beds. Silver Spring's heat-lovers — tomatoes, peppers, squash — hold off until Silver Spring's frost risk clears, 10-14 days on. The season ends by mid-November in Silver Spring, once hard frosts set back in. A creek-bottom lot in Silver Spring can lag Silver Spring's last frost 7-10 days behind a south slope.
Similar climates: Four Corners, MD, Forest Glen, MD, Takoma Park, MD, Langley Park, MD, Burnt Mills, MD.
Frequently asked
- When does it freeze in Silver Spring?
- Frost typically leaves Silver Spring by mid-April and returns to Silver Spring near mid-November.
- What is the rainy season in Silver Spring?
- August is the wettest month in Silver Spring, about 4.2 inches on average; the year totals roughly 42 inches.
- What is the warmest month in Silver Spring?
- Silver Spring peaks in July, when the mean runs near 78°F.
- What is the coldest month in Silver Spring?
- January is Silver Spring's coldest month, averaging about 32°F.
- When can I start a vegetable garden in Silver Spring?
- Hardy spring crops go in near mid-April in Silver Spring; tender peppers and squash wait 10–14 days.
- How many rainy days does Silver Spring get?
- Silver Spring averages about 175 days with measurable rain or snow each year.
- What hardiness zone is Silver Spring?
- With January around 32°F, Silver Spring's zone reflects that minimum — the USDA ZIP map confirms Silver Spring's band.
- What is the 10-day forecast for Silver Spring?
- Silver Spring's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Silver Spring?
- See this week's day-by-day rain chances for Silver Spring in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Silver Spring?
- Current conditions for Silver Spring and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Silver Spring forecast updated?
- The Silver Spring forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Silver Spring?
- Today's sunrise and sunset times for Silver Spring are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Silver Spring?
- The next few days in Silver Spring's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Silver Spring, Maryland, the warm-summer humid continental climate runs from about 32°F in January to 78°F in July, a 46°F seasonal range.
Across the year, Silver Spring collects about 42 inches of precipitation over roughly 175 days with measurable rain or snow.
From 39.0°N, Silver Spring sees a 46°F seasonal swing that governs Silver Spring's planting and frost windows.
ZIP codes in Silver Spring
- 20910
- 20912
- 20903
- 20901
- 20907
- 20911
- 20997