Salem, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Salem weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain48%0.14″91°70°—
- SundayJul 5Light Showers36%0.07″88°69°-3°
- MondayJul 6Heavy Rain45%0.58″82°70°-6°
- TuesdayJul 7Overcast26%—85°67°+3°
- WednesdayJul 8Partly Cloudy17%—87°65°+2°
- ThursdayJul 9Overcast28%—91°71°+4°
- FridayJul 10Thunderstorm45%0.01″87°70°-4°
AQI 53 (Moderate), driven by PM2.5. AQI down 19 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.5 µg/m³, PM10 at 10.2 µg/m³ — typical background levels with no transport signature.
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 34 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 34
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 9.5 µg/m³, PM10 at 10.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 1h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:09 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Salem at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: March 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 42078
16-Day Forecast — Salem
- Sat91°70°48%
- Sun88°69°36%
- Mon82°70°45%
- Tue85°67°26%
- Wed87°65°17%
- Thu91°71°28%
- Fri87°70°45%
- Sat86°70°45%
- Sun78°65°14%
- Mon83°60°6%
- Tue87°64°3%
- Wed90°70°14%
- Thu85°66°23%
- Fri89°71°25%
- Sat93°75°26%
- Sun92°75°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 — Salem
SPC has placed Salem 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 Salem
- 42078