Stockton, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Stockton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——99°81°—
- SundayJul 5Overcast——91°77°-8°
- MondayJul 6Thunderstorm68%0.05″90°75°-1°
- TuesdayJul 7Thunderstorm68%0.02″88°74°-2°
- WednesdayJul 8Showers42%0.01″77°70°-11°
- ThursdayJul 9Overcast——87°68°+10°
- FridayJul 10Overcast28%—95°77°+8°
AQI 134 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 81 in the last 6 hours — air quality is degrading. Ozone at AQI 131. 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 131. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 131
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 17.0 µg/m³, PM10 at 20.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- Wind
- breezy
- 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
- 10:52 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Stockton at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21864
16-Day Forecast — Stockton
- Sat99°81°9%
- Sun91°77°4%
- Mon90°75°68%
- Tue88°74°68%
- Wed77°70°42%
- Thu87°68°6%
- Fri95°77°28%
- Sat96°76°28%
- Sun88°73°26%
- Mon79°70°26%
- Tue88°70°19%
- Wed87°72°43%
- Thu89°74°45%
- Fri91°73°35%
- Sat94°76°39%
- Sun93°78°29%
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 — Stockton
SPC has placed Stockton in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight 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 Stockton
- 21864