Upper Exeter, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Upper Exeter weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle32%0.05″95°69°—
- SundayJul 5Heavy Rain88%0.35″91°68°-4°
- MondayJul 6Heavy Drizzle88%0.21″69°61°-22°
- TuesdayJul 7Light Drizzle53%0.02″76°58°+7°
- WednesdayJul 8Overcast14%—84°55°+8°
- ThursdayJul 9Overcast38%—85°60°+1°
- FridayJul 10Light Drizzle46%—82°65°-3°
AQI 42 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 43 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 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 43 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 43
- UV peak
- 4.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 5.5 µg/m³ (AQI 31) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 10:58 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Upper Exeter at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Upper Exeter
- Sat95°69°32%
- Sun91°68°88%
- Mon69°61°88%
- Tue76°58°53%
- Wed84°55°14%
- Thu85°60°38%
- Fri82°65°46%
- Sat86°65°26%
- Sun69°63°31%
- Mon69°62°23%
- Tue80°61°25%
- Wed87°61°29%
- Thu94°66°29%
- Fri91°68°29%
- Sat79°67°44%
- Sun85°62°33%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Upper Exeter
SPC has placed Upper Exeter in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Upper Exeter tops out in July (~74°F) and dips lowest in January (~28°F), with September wettest at 4.2 inches and February driest at 2.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 2.6″ | 6 |
| February | 30° | 2.1″ | 6 |
| March | 38° | 2.8″ | 7 |
| April | 50° | 3.3″ | 7 |
| May | 61° | 3.3″ | 8 |
| June | 69° | 3.8″ | 8 |
| July | 74° | 3.6″ | 7 |
| August | 72° | 3.9″ | 7 |
| September | 65° | 4.2″ | 6 |
| October | 53° | 3.7″ | 6 |
| November | 43° | 2.9″ | 6 |
| December | 33° | 2.8″ | 6 |
Frequently asked
- When does it freeze in Upper Exeter?
- Frost typically leaves Upper Exeter by mid-April and returns to Upper Exeter near mid-November.
- What is the rainy season in Upper Exeter?
- Upper Exeter sees its heaviest rain in September (around 4.2 inches), part of roughly 39 inches a year.
- What is the warmest month in Upper Exeter?
- The warmest stretch in Upper Exeter comes in July, around 74°F on average.
- What is the coldest month in Upper Exeter?
- On average January is the chilliest month in Upper Exeter, about 28°F.
- When can I start a vegetable garden in Upper Exeter?
- Frost-hardy sowings begin at mid-April in Upper Exeter; warm-season starts follow two weeks on.
- How many rainy days does Upper Exeter get?
- Upper Exeter averages about 80 days with measurable rain or snow each year.
- What hardiness zone is Upper Exeter?
- Upper Exeter's USDA zone comes from its January mean (28°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Upper Exeter?
- Upper Exeter's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Upper Exeter?
- See this week's day-by-day rain chances for Upper Exeter in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Upper Exeter?
- Current conditions for Upper Exeter and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Upper Exeter forecast updated?
- The Upper Exeter forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Upper Exeter?
- Today's sunrise and sunset times for Upper Exeter are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Upper Exeter?
- The next few days in Upper Exeter's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Upper Exeter, Pennsylvania occupies a warm-summer humid continental zone, with January means near 28°F and July around 74°F — a 46°F swing.
Upper Exeter sees close to 39 inches of precipitation annually, falling across some 80 wet days.
Latitude 41.4°N gives Upper Exeter its 46°F swing, and with it the rhythm of Upper Exeter's growing season.
ZIP codes in Upper Exeter
- 18643