Exeter, Pennsylvania Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Exeter weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——83°47°—
- ThursdayJun 4Overcast——86°60°+3°
- FridayJun 5Overcast——85°62°-1°
- SaturdayJun 6Showers54%0.10″87°62°+2°
- SundayJun 7Light Showers60%0.07″75°63°-12°
- MondayJun 8Light Drizzle16%0.01″78°57°+3°
- TuesdayJun 9Overcast——82°52°+4°
Ozone at AQI 45 — peak already passed at 1 PM under clear skies. AQI up 14 over the last 6 hours (gradual rise). Levels should ease through evening.
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 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 45
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).
The higher the clouds, the finer the weather.
- Moonrise
- 2:58 AM
- Moonset
- 11:55 AM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Exeter at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.