Salem, Massachusetts Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Salem weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——78°66°—
- MondayJul 6Overcast56%—71°63°-7°
- TuesdayJul 7Showers70%1.5″64°60°-7°
- WednesdayJul 8Overcast28%—78°57°+14°
- ThursdayJul 9Overcast14%—90°61°+12°
- FridayJul 10Overcast37%—85°66°-5°
- SaturdayJul 11Overcast13%—76°59°-9°
AQI 55 (Moderate), driven by PM2.5. AQI up 10 over the last 6 hours (gradual rise). PM2.5 at 23.0 µg/m³ (AQI 77) with a 0.85 fine-to-coarse ratio and 5 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 during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 5.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 17 around 1 PM.
- Present
- AQI 33
- UV peak
- 5.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 23.0 µg/m³ (AQI 77) with a 0.85 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- 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
- 11:02 PM
- Moonset
- 10:52 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Salem at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 01970
16-Day Forecast — Salem
- Sun78°66°4%
- Mon71°63°56%
- Tue64°60°70%
- Wed78°57°28%
- Thu90°61°14%
- Fri85°66°37%
- Sat76°59°13%
- Sun71°59°11%
- Mon73°57°18%
- Tue84°57°17%
- Wed89°70°13%
- Thu85°61°26%
- Fri90°60°19%
- Sat94°64°27%
- Sun79°67°29%
- Mon82°69°32%
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.
ZIP codes in Salem
- 01970
- 01971