Hanover, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hanover weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle30%0.05″99°77°—
- SundayJul 5Overcast55%—95°74°-4°
- MondayJul 6Light Showers86%0.01″82°70°-13°
- TuesdayJul 7Thunderstorm86%0.52″82°70°0°
- WednesdayJul 8Drizzle30%0.05″75°64°-7°
- ThursdayJul 9Overcast12%—87°65°+12°
- FridayJul 10Light Drizzle46%—85°69°-2°
AQI 93 (Moderate), driven by Ozone. AQI up 38 in the last 6 hours — air quality is degrading. Ozone at AQI 70 — peak already passed at 1 PM under clear skies. 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 70 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 70
- UV peak
- 1.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 70
PM × Wind × Precip
PM2.5 at 5.4 µg/m³, PM10 at 5.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 11:01 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hanover at a glance
- Today vs. normal: 26°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17331
16-Day Forecast — Hanover
- Sat99°77°30%
- Sun95°74°55%
- Mon82°70°86%
- Tue82°70°86%
- Wed75°64°30%
- Thu87°65°12%
- Fri85°69°46%
- Sat86°68°28%
- Sun77°64°30%
- Mon80°65°16%
- Tue84°62°16%
- Wed86°61°33%
- Thu89°65°42%
- Fri87°69°38%
- Sat89°69°42%
- Sun86°69°42%
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 — Hanover
SPC has placed Hanover in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- 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.
ZIP codes in Hanover
- 17331
- 17332
- 17333
- 17334