Mammoth, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mammoth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast31%—93°70°—
- SundayJul 5Heavy Showers75%1.5″88°71°-5°
- MondayJul 6Thunderstorm73%0.06″80°66°-8°
- TuesdayJul 7Light Drizzle30%0.01″71°62°-9°
- WednesdayJul 8Overcast12%—80°58°+9°
- ThursdayJul 9Light Drizzle48%—82°63°+2°
- FridayJul 10Light Drizzle55%—81°64°-1°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 17.3 µg/m³ (AQI 66) with a 0.93 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 17.3 µg/m³ (AQI 66) with a 0.93 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 11:12 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mammoth at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Mammoth
- Sat93°70°31%
- Sun88°71°75%
- Mon80°66°73%
- Tue71°62°30%
- Wed80°58°12%
- Thu82°63°48%
- Fri81°64°55%
- Sat83°63°45%
- Sun80°63°36%
- Mon78°58°21%
- Tue85°64°21%
- Wed71°59°29%
- Thu77°55°35%
- Fri85°61°51%
- Sat76°64°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 — Mammoth
SPC has placed Mammoth 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 Mammoth
- 15666