Lewistown, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lewistown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain49%0.45″87°70°—
- MondayJul 6Overcast37%—82°70°-5°
- TuesdayJul 7Light Rain60%0.12″72°65°-10°
- WednesdayJul 8Light Drizzle32%0.02″74°63°+2°
- ThursdayJul 9Overcast41%—93°66°+19°
- FridayJul 10Light Drizzle50%0.05″72°67°-21°
- SaturdayJul 11Overcast32%—83°64°+11°
AQI 59 (Moderate), driven by Ozone. AQI up 23 in the last 6 hours — air quality is degrading. Ozone at AQI 50 — 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 50 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 1.9 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 50
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.8 µg/m³, PM10 to 9.5 µg/m³.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:28 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lewistown at a glance
- Today vs. normal: 15°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: 17044
16-Day Forecast — Lewistown
- Sun87°70°49%
- Mon82°71°37%
- Tue72°65°60%
- Wed74°63°32%
- Thu93°66°41%
- Fri72°67°50%
- Sat83°64°32%
- Sun68°66°16%
- Mon86°64°15%
- Tue64°60°15%
- Wed71°61°17%
- Thu81°58°30%
- Fri86°60°28%
- Sat84°61°29%
- Sun83°63°26%
- Mon73°66°25%
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 — Lewistown
SPC has placed Lewistown 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 Lewistown
- 17044