Riverside, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Riverside weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast31%—96°72°—
- SundayJul 5Heavy Rain88%0.37″89°71°-7°
- MondayJul 6Heavy Drizzle88%0.14″72°62°-17°
- TuesdayJul 7Overcast57%—79°61°+7°
- WednesdayJul 8Overcast18%—85°56°+6°
- ThursdayJul 9Light Drizzle38%0.01″83°61°-2°
- FridayJul 10Light Drizzle42%—87°67°+4°
AQI 54 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 48 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 48
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.94 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:01 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Riverside at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17868
16-Day Forecast — Riverside
- Sat96°72°31%
- Sun89°71°88%
- Mon72°62°88%
- Tue79°61°57%
- Wed85°56°18%
- Thu83°61°38%
- Fri87°67°42%
- Sat88°69°29%
- Sun71°67°26%
- Mon72°65°22%
- Tue85°63°19%
- Wed86°65°29%
- Thu94°68°32%
- Fri92°70°35%
- Sat81°70°45%
- Sun88°65°34%
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 — Riverside
SPC has placed Riverside 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 Riverside
- 17868
- 17821