Bladensburg, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bladensburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle34%0.02″102°79°—
- SundayJul 5Heavy Rain51%1.6″98°75°-4°
- MondayJul 6Heavy Drizzle82%—85°74°-13°
- TuesdayJul 7Thunderstorm82%0.16″90°71°+5°
- WednesdayJul 8Rain37%0.37″79°70°-11°
- ThursdayJul 9Overcast13%—93°68°+14°
- FridayJul 10Light Drizzle41%0.05″94°72°+1°
AQI 130 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 76 in the last 6 hours — air quality is degrading. Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 76
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 11.2 µg/m³, PM10 at 11.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- 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
- 10:59 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bladensburg at a glance
- Today vs. normal: 9°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 code: 20710
16-Day Forecast — Bladensburg
- Sat102°79°34%
- Sun98°75°51%
- Mon85°74°82%
- Tue90°71°82%
- Wed79°70°37%
- Thu93°68°13%
- Fri94°72°41%
- Sat93°70°38%
- Sun83°70°22%
- Mon80°69°20%
- Tue88°66°17%
- Wed95°70°33%
- Thu95°71°37%
- Fri93°74°42%
- Sat95°71°44%
- Sun92°71°46%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Bladensburg
SPC has placed Bladensburg 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
Bladensburg peaks at about 78°F in July and bottoms near 32°F in January; August brings the heaviest rain (4.2 inches) and October the least (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
Bladensburg's climate, from NOAA NCEI 1991-2020 station normals, pairs 32°F Januarys with 78°F Julys — a 46°F swing. About 41.5 inches of precipitation falls over roughly 175 days a year.
Bladensburg's precipitation spreads evenly: August peaks at 4.2 inches on 17.8 wet days, while October holds 2.6 inches over 11.1 — no month dominates Bladensburg's rain calendar. That lines Bladensburg up with places like Edmonston, MD, Cottage City, MD and Colmar Manor, MD, fed by overlapping storm tracks.
Bladensburg's growing window opens around mid-April, once Bladensburg's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Warm-soil crops in Bladensburg wait about two weeks past Bladensburg's last frost, once the soil warms. Bladensburg's window closes around mid-November as overnight lows return below freezing. In Bladensburg, low spots run 4-7°F colder than nearby slopes, nudging Bladensburg's frost dates a week.
Similar climates: Edmonston, MD, Cottage City, MD, Colmar Manor, MD, North Brentwood, MD, Cheverly, MD.
Frequently asked
- When does it freeze in Bladensburg?
- Bladensburg's last spring frost lands near mid-April, and in Bladensburg the first fall frost follows around mid-November.
- What is the rainy season in Bladensburg?
- Rainfall in Bladensburg peaks in August near 4.2 inches, out of about 42 inches annually.
- What is the warmest month in Bladensburg?
- The warmest stretch in Bladensburg comes in July, around 78°F on average.
- What is the coldest month in Bladensburg?
- On average January is the chilliest month in Bladensburg, about 32°F.
- When can I start a vegetable garden in Bladensburg?
- Frost-hardy sowings begin at mid-April in Bladensburg; warm-season starts follow two weeks on.
- How many rainy days does Bladensburg get?
- Expect roughly 175 wet days a year in Bladensburg.
- What hardiness zone is Bladensburg?
- Bladensburg's hardiness zone tracks its winter low; with January near 32°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Bladensburg?
- Bladensburg'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 Bladensburg?
- See this week's day-by-day rain chances for Bladensburg in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Bladensburg?
- Current conditions for Bladensburg and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Bladensburg forecast updated?
- The Bladensburg forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Bladensburg?
- Today's sunrise and sunset times for Bladensburg 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 Bladensburg?
- The next few days in Bladensburg's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Bladensburg, Maryland occupies a warm-summer humid continental zone, with January means near 32°F and July around 78°F — a 46°F swing.
Rain and snow bring Bladensburg roughly 42 inches a year across approximately 175 measurable-precipitation days.
Latitude 38.9°N gives Bladensburg its 46°F swing, and with it the rhythm of Bladensburg's growing season.
ZIP codes in Bladensburg
- 20710