Gettysburg, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Gettysburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain39%0.11″98°76°—
- SundayJul 5Showers47%0.11″93°72°-5°
- MondayJul 6Drizzle88%—83°68°-10°
- TuesdayJul 7Light Showers88%—72°66°-11°
- WednesdayJul 8Light Drizzle30%0.03″72°64°0°
- ThursdayJul 9Overcast12%—91°65°+19°
- FridayJul 10Overcast47%—87°70°-4°
AQI 76 (Moderate), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
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 47. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- calm
- 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
- 11:26 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Gettysburg at a glance
- Today vs. normal: 6°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: 17325
16-Day Forecast — Gettysburg
- Sat98°76°39%
- Sun93°72°47%
- Mon83°68°88%
- Tue72°66°88%
- Wed72°64°30%
- Thu91°65°12%
- Fri87°70°47%
- Sat82°64°29%
- Sun80°62°27%
- Mon82°58°17%
- Tue88°59°17%
- Wed83°63°24%
- Thu86°61°30%
- Fri87°60°36%
- Sat89°69°39%
- Sun84°68°46%
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 — Gettysburg
SPC has placed Gettysburg in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal 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 Gettysburg
- 17325