Petersburg, Virginia Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Petersburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast15%—97°72°—
- MondayJul 6Showers79%—97°74°0°
- TuesdayJul 7Heavy Showers70%0.80″94°69°-3°
- WednesdayJul 8Thunderstorm52%—79°69°-15°
- ThursdayJul 9Overcast26%—98°67°+19°
- FridayJul 10Light Drizzle24%—101°73°+3°
- SaturdayJul 11Light Drizzle37%—84°70°-17°
AQI 60 (Moderate), driven by PM2.5. AQI down 14 over the last 6 hours (gradual decline). PM2.5 at 15.5 µg/m³ (AQI 63) with a 0.88 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
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 31 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 15.5 µg/m³ (AQI 63) with a 0.88 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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
- 11:25 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Petersburg at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: March 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 23803, 23805
15-Day Forecast — Petersburg
- Sun97°72°15%
- Mon97°74°79%
- Tue94°69°70%
- Wed79°69°52%
- Thu98°67°26%
- Fri101°73°24%
- Sat84°70°37%
- Sun84°69°36%
- Mon87°64°15%
- Tue90°62°12%
- Wed96°65°16%
- Thu92°68°35%
- Fri93°67°39%
- Sat93°70°43%
- Sun98°70°60%
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 — Petersburg
SPC has placed Petersburg in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Petersburg
- 23803
- 23805
- 23804
- 23806