Salem, South Carolina Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Salem weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——77°66°—
- WednesdayJun 17Foggy——89°63°+12°
- ThursdayJun 18Thunderstorm72%0.09″85°69°-4°
- FridayJun 19Thunderstorm69%—91°66°+6°
- SaturdayJun 20Overcast——91°67°0°
- SundayJun 21Overcast24%—88°66°-3°
- MondayJun 22Light Drizzle40%—85°68°-3°
AQI 43 (Good), driven by Ozone. AQI up 14 over the last 6 hours (gradual rise). Ozone at AQI 39 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
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 39 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 39
- UV peak
- 0.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 6.3 µg/m³, PM10 at 7.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.80
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:47 AM
- Moonset
- 10:52 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Salem at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: March 16 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Salem
- Tue77°66°2%
- Wed89°63°3%
- Thu85°69°72%
- Fri91°66°69%
- Sat91°67°5%
- Sun88°66°24%
- Mon85°68°40%
- Tue86°67°30%
- Wed85°67°35%
- Thu88°65°33%
- Fri92°69°37%
- Sat91°68°54%
- Sun85°67°39%
- Mon90°69°65%
- Tue93°70°55%
- Wed93°70°58%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Salem
SPC has placed Salem in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Salem
- 29676