Oswego, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Oswego weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast19%—99°75°—
- MondayJul 6Overcast40%—97°79°-2°
- TuesdayJul 7Drizzle41%0.05″99°74°+2°
- WednesdayJul 8Overcast41%—102°75°+3°
- ThursdayJul 9Overcast12%—102°79°0°
- FridayJul 10Partly Cloudy14%—106°78°+4°
- SaturdayJul 11Overcast44%—104°80°-2°
AQI 25 (Good), driven by Ozone. AQI down 13 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.83 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- Wind
- light
- 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
- 11:35 PM
- Moonset
- 11:33 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Oswego at a glance
- Today vs. normal: 80°F — typical for the season
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Oswego
- Sun99°75°19%
- Mon97°79°40%
- Tue99°74°41%
- Wed102°75°41%
- Thu102°79°12%
- Fri106°78°14%
- Sat104°80°44%
- Sun106°81°43%
- Mon101°76°32%
- Tue100°72°22%
- Wed111°70°15%
- Thu99°71°45%
- Fri87°73°45%
- Sat91°72°48%
- Sun102°77°42%
- Mon101°80°45%
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 — Oswego
SPC has placed Oswego in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Oswego
- 29153