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 4Drizzle42%0.06″97°72°—
- SundayJul 5Overcast43%—94°71°-3°
- MondayJul 6Showers88%0.01″81°68°-13°
- TuesdayJul 7Light Showers88%0.01″72°65°-9°
- WednesdayJul 8Drizzle20%0.05″68°64°-4°
- ThursdayJul 9Overcast14%—91°64°+23°
- FridayJul 10Light Drizzle58%0.01″86°68°-5°
AQI 82 (Moderate), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 56. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
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 56. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
- Present
- AQI 56
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
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: 4°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
- Sat97°72°42%
- Sun94°71°43%
- Mon81°68°88%
- Tue72°65°88%
- Wed68°64°20%
- Thu91°64°14%
- Fri86°68°58%
- Sat86°62°31%
- Sun82°59°19%
- Mon85°54°24%
- Tue89°59°21%
- Wed85°61°35%
- Thu84°58°45%
- Fri89°59°45%
- Sat88°66°45%
- Sun84°69°39%
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
- TOMORROWMRGLMarginal Risk
- 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.
ZIP codes in Lewistown
- 17044