Accokeek, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Accokeek weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast41%—102°81°—
- SundayJul 5Heavy Rain48%1.1″99°75°-3°
- MondayJul 6Drizzle81%0.03″88°72°-11°
- TuesdayJul 7Light Showers81%0.05″86°67°-2°
- WednesdayJul 8Heavy Showers40%1.5″77°69°-9°
- ThursdayJul 9Overcast13%—93°67°+16°
- FridayJul 10Light Drizzle40%0.02″97°71°+4°
AQI 108 (Unhealthy for Sensitive Groups), driven by PM2.5. AQI up 53 in the last 6 hours — air quality is degrading. PM2.5 at 12.1 µg/m³, PM10 at 12.6 µg/m³ — typical background levels with no transport signature.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~80%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 12.1 µg/m³, PM10 at 12.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- windy
- Recent rain
- 0h 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
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Accokeek at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 20607
16-Day Forecast — Accokeek
- Sat102°81°41%
- Sun99°75°48%
- Mon88°72°81%
- Tue86°67°81%
- Wed77°69°40%
- Thu93°67°13%
- Fri97°71°40%
- Sat95°68°40%
- Sun82°67°27%
- Mon81°66°21%
- Tue87°63°19%
- Wed94°67°41%
- Thu92°68°43%
- Fri92°70°43%
- Sat96°69°39%
- Sun90°69°37%
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 — Accokeek
SPC has placed Accokeek 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
Accokeek peaks at about 79°F in July and bottoms near 34°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 | 34° | 3.4″ | 13 |
| February | 37° | 2.8″ | 12 |
| March | 45° | 3.4″ | 14 |
| April | 56° | 3.6″ | 16 |
| May | 64° | 3.4″ | 17 |
| June | 73° | 3.8″ | 17 |
| July | 79° | 3.2″ | 17 |
| August | 78° | 4.2″ | 18 |
| September | 71° | 3.2″ | 13 |
| October | 60° | 2.6″ | 11 |
| November | 47° | 3.5″ | 12 |
| December | 38° | 3.8″ | 13 |
Regional context
Accokeek swings from 34°F in January to 79°F in July (45°F) per NOAA NCEI 1991-2020 normals; precipitation in Accokeek runs about 41 inches on roughly 174 measurable days.
Accokeek's precipitation spreads evenly: August peaks at 4.2 inches on 18.0 wet days, while October holds 2.6 inches over 11.4 — no month dominates Accokeek's rain calendar. That lines Accokeek up with places like Bensville, MD, Fort Washington, MD and Bryans Road, MD, fed by overlapping storm tracks.
Accokeek reaches its last hard frost near mid-April; that is the cue for peas, lettuce, spinach, and radishes. Accokeek's heat-lovers — tomatoes, peppers, squash — hold off until Accokeek's frost risk clears, 10-14 days on. The season ends by mid-November in Accokeek, once hard frosts set back in. Accokeek's low ground holds frost later into spring than Accokeek's benches, which run 3-5 days ahead.
Similar climates: Bensville, MD, Fort Washington, MD, Bryans Road, MD, Friendly, MD, Waldorf, MD.
Frequently asked
- When does it freeze in Accokeek?
- Accokeek's last spring frost lands near mid-April, and in Accokeek the first fall frost follows around mid-November.
- What is the rainy season in Accokeek?
- Rainfall in Accokeek peaks in August near 4.2 inches, out of about 41 inches annually.
- What is the warmest month in Accokeek?
- On average July tops the year in Accokeek at about 79°F.
- What is the coldest month in Accokeek?
- The coldest stretch in Accokeek falls in January, around 34°F on average.
- When can I start a vegetable garden in Accokeek?
- Around mid-April, start frost-hardy crops in Accokeek; tomatoes and basil belong a fortnight later.
- How many rainy days does Accokeek get?
- Expect roughly 174 wet days a year in Accokeek.
- What hardiness zone is Accokeek?
- With January around 34°F, Accokeek's zone reflects that minimum — the USDA ZIP map confirms Accokeek's band.
- What is the 10-day forecast for Accokeek?
- Accokeek'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 Accokeek?
- See this week's day-by-day rain chances for Accokeek in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Accokeek?
- Current conditions for Accokeek and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Accokeek forecast updated?
- The Accokeek forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Accokeek?
- Today's sunrise and sunset times for Accokeek 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 Accokeek?
- The next few days in Accokeek's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Accokeek, Maryland swings from 34°F in the heart of winter to 79°F at midsummer — a 45°F arc.
Rain and snow bring Accokeek roughly 41 inches a year across approximately 174 measurable-precipitation days.
Accokeek sits at 38.7°N; that 45°F seasonal swing frames planting windows and frost dates across Accokeek.
ZIP codes in Accokeek
- 20601
- 20607