Chance, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Chance weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast23%—91°75°—
- MondayJul 6Heavy Rain37%1.3″90°72°-1°
- TuesdayJul 7Rain61%0.23″79°70°-11°
- WednesdayJul 8Heavy Drizzle61%0.07″78°67°-1°
- ThursdayJul 9Heavy Drizzle19%—87°66°+9°
- FridayJul 10Light Drizzle18%0.02″95°70°+8°
- SaturdayJul 11Overcast36%—84°68°-11°
AQI 66 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 71 — 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 71 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 71
- UV peak
- 4.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 71
PM × Wind × Precip
PM2.5 at 8.4 µg/m³, PM10 at 10.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- light
- 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
- 11:19 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Chance at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Chance
- Sun91°75°23%
- Mon90°75°37%
- Tue79°70°61%
- Wed78°67°61%
- Thu87°66°19%
- Fri95°70°18%
- Sat84°68°36%
- Sun86°67°27%
- Mon90°68°16%
- Tue78°67°16%
- Wed84°66°14%
- Thu87°65°35%
- Fri91°68°36%
- Sat88°69°32%
- Sun81°69°32%
- Mon85°68°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Chance
SPC has placed Chance in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
ZIP codes in Chance
- 21821