Lock Haven, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lock Haven weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain48%0.15″92°71°—
- SundayJul 5Heavy Rain45%0.41″89°71°-3°
- MondayJul 6Drizzle83%0.03″75°70°-14°
- TuesdayJul 7Thunderstorm82%0.01″79°68°+4°
- WednesdayJul 8Drizzle22%0.06″76°65°-3°
- ThursdayJul 9Light Drizzle18%0.05″91°63°+15°
- FridayJul 10Drizzle65%0.05″84°67°-7°
AQI 59 (Moderate), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~100%) — 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 45. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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
- 11:05 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lock Haven at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17745
16-Day Forecast — Lock Haven
- Sat92°71°48%
- Sun89°71°45%
- Mon75°70°83%
- Tue79°68°82%
- Wed76°65°22%
- Thu91°63°18%
- Fri84°67°65%
- Sat77°64°32%
- Sun79°61°23%
- Mon81°57°27%
- Tue83°57°21%
- Wed86°55°29%
- Thu88°57°48%
- Fri83°60°35%
- Sat89°66°52%
- Sun77°70°39%
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 — Lock Haven
SPC has placed Lock Haven 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 Lock Haven
- 17745