Harriston, Virginia Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Harriston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Drizzle42%0.04″91°63°—
- MondayJul 6Light Rain93%0.07″90°69°-1°
- TuesdayJul 7Thunderstorm81%—82°66°-8°
- WednesdayJul 8Light Showers58%0.06″70°68°-12°
- ThursdayJul 9Heavy Drizzle42%0.02″92°66°+22°
- FridayJul 10Overcast38%—87°67°-5°
- SaturdayJul 11Light Drizzle35%—80°65°-7°
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 20.4 µg/m³ (AQI 72) with a 0.97 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
PM × Wind × Precip
PM2.5 at 20.4 µg/m³ (AQI 72) with a 0.97 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 11:31 PM
- Moonset
- 11:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Harriston at a glance
- Today vs. normal: 10°F below 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.
15-Day Forecast — Harriston
- Sun91°63°42%
- Mon90°69°93%
- Tue82°66°81%
- Wed70°68°58%
- Thu92°66°42%
- Fri87°67°38%
- Sat80°65°35%
- Sun83°66°27%
- Mon84°65°16%
- Tue80°61°16%
- Wed84°63°16%
- Thu90°66°26%
- Fri89°67°26%
- Sat85°66°33%
- Sun90°63°35%
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 — Harriston
SPC has placed Harriston in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Harriston
- 24441