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 5Drizzle49%0.04″81°66°—
- MondayJul 6Heavy Rain40%1.2″77°68°-4°
- TuesdayJul 7Drizzle64%0.04″68°63°-9°
- WednesdayJul 8Light Drizzle25%0.01″77°62°+9°
- ThursdayJul 9Overcast33%—86°60°+9°
- FridayJul 10Drizzle62%0.08″70°65°-16°
- SaturdayJul 11Foggy37%—79°59°+9°
AQI 45 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 51 — peak already passed at 1 PM under overcast 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 51 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 51
- UV peak
- 3.3 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 51
PM × Wind × Precip
PM2.5 at 8.0 µg/m³ (AQI 44) with a 0.94 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- 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
- 11:33 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grampian at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- 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
- Sun81°66°49%
- Mon77°68°40%
- Tue68°63°64%
- Wed77°62°25%
- Thu86°60°33%
- Fri70°65°62%
- Sat79°59°37%
- Sun73°64°21%
- Mon71°61°16%
- Tue60°56°19%
- Wed65°58°21%
- Thu79°55°40%
- Fri85°57°33%
- Sat77°58°25%
- Sun83°60°26%
- Mon74°61°42%
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 Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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