Grampian, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Grampian weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain74%0.14″87°66°—
- SundayJul 5Heavy Drizzle54%0.04″84°65°-3°
- MondayJul 6Heavy Showers79%0.53″78°67°-6°
- TuesdayJul 7T-storm w/ Hail59%0.01″74°64°-4°
- WednesdayJul 8Drizzle17%0.05″75°62°+1°
- ThursdayJul 9Light Drizzle19%0.04″83°61°+8°
- FridayJul 10Light Drizzle64%0.01″73°63°-10°
AQI 75 (Moderate), driven by Ozone. AQI up 32 in the last 6 hours — air quality is degrading. Ozone at AQI 41. Overcast through the UV peak window (cloud cover ~100%) — 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 41. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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
- 11:33 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grampian at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16838
16-Day Forecast — Grampian
- Sat87°66°74%
- Sun84°65°54%
- Mon78°67°79%
- Tue74°64°59%
- Wed75°62°17%
- Thu83°61°19%
- Fri73°63°64%
- Sat81°55°34%
- Sun79°54°22%
- Mon81°50°30%
- Tue80°56°25%
- Wed82°58°42%
- Thu80°53°42%
- Fri87°55°39%
- Sat85°62°46%
- Sun78°66°48%
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 — Grampian
SPC has placed Grampian in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal 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 Grampian
- 16838