Seltzer, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Seltzer weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain26%0.09″95°72°—
- SundayJul 5Light Drizzle56%0.02″91°72°-4°
- MondayJul 6Thunderstorm86%0.10″79°68°-12°
- TuesdayJul 7Light Showers76%0.03″78°62°-1°
- WednesdayJul 8Light Drizzle21%0.01″71°60°-7°
- ThursdayJul 9Light Drizzle28%—87°62°+16°
- FridayJul 10Light Drizzle55%—81°65°-6°
AQI 67 (Moderate), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 78 — 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 78 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 78
- UV peak
- 6.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 78
PM × Wind × Precip
PM2.5 at 7.6 µg/m³, PM10 at 8.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- Recent rain
- 0h 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
- 10:59 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Seltzer at a glance
- Today vs. normal: 23°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17974
16-Day Forecast — Seltzer
- Sat95°72°26%
- Sun91°72°56%
- Mon79°68°86%
- Tue78°62°76%
- Wed71°60°21%
- Thu87°62°28%
- Fri81°65°55%
- Sat82°66°23%
- Sun77°62°23%
- Mon82°61°28%
- Tue82°60°24%
- Wed85°57°37%
- Thu85°60°53%
- Fri87°63°37%
- Sat86°66°35%
- Sun79°68°46%
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 — Seltzer
SPC has placed Seltzer 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 Seltzer
- 17974
- 17901