Cedarville, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cedarville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain23%0.08″102°71°—
- SundayJul 5Light Drizzle43%0.03″98°77°-4°
- MondayJul 6Thunderstorm82%0.23″90°73°-8°
- TuesdayJul 7Light Showers82%0.02″86°68°-4°
- WednesdayJul 8Heavy Showers38%1.3″77°69°-9°
- ThursdayJul 9Overcast12%—93°67°+16°
- FridayJul 10Light Drizzle37%0.01″96°71°+3°
AQI 123 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 68 in the last 6 hours — air quality is degrading. Ozone at AQI 108 — 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 108 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 108
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 108
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.2 µg/m³, PM10 to 10.2 µg/m³.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:58 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cedarville at a glance
- Today vs. normal: 28°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.
16-Day Forecast — Cedarville
- Sat102°71°23%
- Sun98°77°43%
- Mon90°73°82%
- Tue86°68°82%
- Wed77°69°38%
- Thu93°67°12%
- Fri96°71°37%
- Sat94°68°41%
- Sun82°68°27%
- Mon79°67°20%
- Tue87°63°18%
- Wed93°68°41%
- Thu91°68°43%
- Fri93°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 — Cedarville
SPC has placed Cedarville 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
Cedarville peaks at about 78°F in July and bottoms near 34°F in January; September brings the heaviest rain (4.5 inches) and February the least (2.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 3.0″ | 6 |
| February | 36° | 2.7″ | 5 |
| March | 44° | 3.9″ | 7 |
| April | 55° | 3.4″ | 7 |
| May | 64° | 4.1″ | 7 |
| June | 73° | 4.2″ | 7 |
| July | 78° | 4.2″ | 6 |
| August | 76° | 4.1″ | 6 |
| September | 69° | 4.5″ | 6 |
| October | 57° | 4.1″ | 5 |
| November | 47° | 3.3″ | 5 |
| December | 38° | 3.5″ | 7 |
Regional context
Cedarville's climate, from NOAA NCEI 1991-2020 station normals, pairs 34°F Januarys with 78°F Julys — a 43°F swing. About 45 inches of precipitation falls over roughly 74 days a year.
No season owns Cedarville's rain: September reaches 4.5 inches across 5.5 days and February keeps 2.7 inches on 5.3, an even spread through Cedarville's year. That lines Cedarville up with places like Baden, MD, Brandywine, MD and Waldorf, MD, fed by overlapping storm tracks.
The cool-season window in Cedarville starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Hold Cedarville's tender crops — tomatoes, peppers, basil — until 10-14 days past Cedarville's last frost. Cedarville's window closes around mid-November as overnight lows return below freezing. Within Cedarville, cold-air pooling chills low spots by 5-10°F, shifting Cedarville's local frost dates.
Similar climates: Baden, MD, Brandywine, MD, Waldorf, MD, Croom, MD, Marlton, MD.
Frequently asked
- When does it freeze in Cedarville?
- In Cedarville, expect the last spring frost near mid-April; Cedarville's first autumn frost comes around mid-November.
- What is the rainy season in Cedarville?
- Cedarville sees its heaviest rain in September (around 4.5 inches), part of roughly 45 inches a year.
- What is the warmest month in Cedarville?
- The warmest stretch in Cedarville comes in July, around 78°F on average.
- What is the coldest month in Cedarville?
- On average January is the chilliest month in Cedarville, about 34°F.
- When can I start a vegetable garden in Cedarville?
- Time tomatoes in Cedarville for two weeks after mid-April; peas and greens start at Cedarville's frost line.
- How many rainy days does Cedarville get?
- Cedarville averages about 74 days with measurable rain or snow each year.
- What hardiness zone is Cedarville?
- Cedarville's hardiness zone tracks its winter low; with January near 34°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Cedarville?
- Cedarville'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 Cedarville?
- See this week's day-by-day rain chances for Cedarville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Cedarville?
- Current conditions for Cedarville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Cedarville forecast updated?
- The Cedarville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Cedarville?
- Today's sunrise and sunset times for Cedarville 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 Cedarville?
- The next few days in Cedarville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Cedarville's warm-summer humid continental climate in Maryland pairs 34°F Januarys with 78°F Julys, 44°F apart across the seasons.
In a typical year Cedarville records about 45 inches of precipitation on around 74 days.
The 44°F gap between Cedarville's summer and winter, at 38.7°N, shapes Cedarville's frost calendar.
ZIP codes in Cedarville
- 20613