Burtonsville, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Burtonsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain21%0.06″99°77°—
- SundayJul 5Showers49%0.37″94°72°-5°
- MondayJul 6Heavy Showers76%0.09″83°72°-11°
- TuesdayJul 7Thunderstorm76%0.53″88°69°+5°
- WednesdayJul 8Rain37%0.17″76°68°-12°
- ThursdayJul 9Overcast13%—90°66°+14°
- FridayJul 10Light Drizzle42%0.04″90°71°0°
AQI 112 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 58 in the last 6 hours — air quality is degrading. Ozone at AQI 100 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 100 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 100
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 100
PM × Wind × Precip
PM2.5 at 8.6 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- calm
- 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
Burtonsville at a glance
- Today vs. normal: 25°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 20866
16-Day Forecast — Burtonsville
- Sat99°77°21%
- Sun94°72°49%
- Mon83°72°76%
- Tue88°69°76%
- Wed76°68°37%
- Thu90°66°13%
- Fri90°71°42%
- Sat90°68°35%
- Sun81°68°22%
- Mon80°69°20%
- Tue86°65°16%
- Wed91°68°33%
- Thu93°70°37%
- Fri88°73°42%
- Sat91°70°44%
- Sun87°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 — Burtonsville
SPC has placed Burtonsville 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
In Burtonsville, July runs warmest near 78°F and January coldest around 32°F, while August is the wettest month (4.2 inches) and October the driest (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
Burtonsville'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.
No season owns Burtonsville's rain: August reaches 4.2 inches across 17.8 days and October keeps 2.6 inches on 11.1, an even spread through Burtonsville's year. It is a balanced pattern Burtonsville shares with places like West Laurel, MD, Spencerville, MD and Fulton, MD.
The cool-season window in Burtonsville starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Warm-soil crops in Burtonsville wait about two weeks past Burtonsville's last frost, once the soil warms. Around mid-November, freezing nights resume in Burtonsville and tender crops must come in. In Burtonsville, low spots run 4-7°F colder than nearby slopes, nudging Burtonsville's frost dates a week.
Similar climates: West Laurel, MD, Spencerville, MD, Fulton, MD, Fairland, MD, Konterra, MD.
Frequently asked
- When does it freeze in Burtonsville?
- In Burtonsville, expect the last spring frost near mid-April; Burtonsville's first autumn frost comes around mid-November.
- What is the rainy season in Burtonsville?
- Rainfall in Burtonsville peaks in August near 4.2 inches, out of about 42 inches annually.
- What is the warmest month in Burtonsville?
- The warmest stretch in Burtonsville comes in July, around 78°F on average.
- What is the coldest month in Burtonsville?
- On average January is the chilliest month in Burtonsville, about 32°F.
- When can I start a vegetable garden in Burtonsville?
- Burtonsville's last frost (mid-April) cues hardy greens; in Burtonsville, hold heat-lovers two weeks past.
- How many rainy days does Burtonsville get?
- Expect roughly 175 wet days a year in Burtonsville.
- What hardiness zone is Burtonsville?
- Burtonsville sits in the USDA zone set by January lows near 32°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Burtonsville?
- Burtonsville'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 Burtonsville?
- See this week's day-by-day rain chances for Burtonsville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Burtonsville?
- Current conditions for Burtonsville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Burtonsville forecast updated?
- The Burtonsville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Burtonsville?
- Today's sunrise and sunset times for Burtonsville 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 Burtonsville?
- The next few days in Burtonsville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Burtonsville's warm-summer humid continental climate in Maryland pairs 32°F Januarys with 78°F Julys, 46°F apart across the seasons.
In a typical year Burtonsville records about 42 inches of precipitation on around 175 days.
The 46°F gap between Burtonsville's summer and winter, at 39.1°N, shapes Burtonsville's frost calendar.
ZIP codes in Burtonsville
- 20868
- 20866
- 20707