Dumb Hundred, Pennsylvania Weather
Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →
Dumb Hundred weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Showers58%0.45″79°71°—
- MondayAug 3Overcast27%—79°67°0°
- TuesdayAug 4Overcast——82°61°+3°
- WednesdayAug 5Drizzle45%—84°65°+2°
- ThursdayAug 6Drizzle59%—89°67°+5°
- FridayAug 7Light Drizzle57%—88°69°-1°
- SaturdayAug 8Overcast45%—90°65°+2°
AQI 35 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 6.2 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 2.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 6.2 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- breezy
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 9:56 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Night falls a minute earlier
Dumb Hundred at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
16-Day Forecast — Dumb Hundred
- Sun79°71°58%
- Mon79°67°27%
- Tue82°61°3%
- Wed84°65°45%
- Thu89°67°59%
- Fri88°69°57%
- Sat90°65°45%
- Sun92°71°25%
- Mon91°70°24%
- Tue85°66°24%
- Wed83°58°20%
- Thu90°68°45%
- Fri88°70°43%
- Sat93°69°31%
- Sun86°69°26%
- Mon88°65°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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 — Dumb Hundred
SPC has placed Dumb Hundred in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.
Sun & seasons in Dumb Hundred
Dumb Hundred sits in Blair County, where the year’s longest day runs 15h 3m of daylight and its shortest just 9h 18m — a swing of +5h 45m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Philadelphia, the state’s largest city, lies about 174 miles to the E. The nearest town Dumb Hundred tracks is West Newton, roughly 72 miles to the W.
Air quality in Dumb Hundred’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 37). See the full air-quality history for Dumb Hundred.
ZIP codes in Dumb Hundred
- 16673