Riverside, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Riverside weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain53%0.91″100°76°—
- SundayJul 5Light Drizzle55%0.02″94°74°-6°
- MondayJul 6Thunderstorm83%0.01″85°71°-9°
- TuesdayJul 7Light Showers83%0.04″74°69°-11°
- WednesdayJul 8Overcast31%—75°67°+1°
- ThursdayJul 9Light Drizzle15%—91°68°+16°
- FridayJul 10Overcast44%—91°75°0°
AQI 69 (Moderate), driven by PM2.5. AQI down 15 over the last 6 hours — air quality is improving sharply. PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.4 µg/m³, PM10 to 10.9 µg/m³.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
- Present
- AQI 48
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.4 µg/m³, PM10 to 10.9 µg/m³.
- PM2.5/PM10
- 0.95
- Wind
- calm
- Recent rain
- 4h 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
- 11:22 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Riverside at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Riverside
- Sat100°77°53%
- Sun94°75°55%
- Mon85°71°83%
- Tue74°69°83%
- Wed75°67°31%
- Thu91°68°15%
- Fri91°75°44%
- Sat84°66°37%
- Sun77°66°28%
- Mon84°61°18%
- Tue85°67°16%
- Wed88°68°24%
- Thu87°66°24%
- Fri89°66°32%
- Sat84°72°39%
- Sun87°71°43%
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 — Riverside
SPC has placed Riverside 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 Riverside
- 21001
- 21017