Newtown, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Newtown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers31%0.29″93°72°—
- SundayJul 5Rain95%0.18″88°71°-5°
- MondayJul 6Thunderstorm95%0.26″73°62°-15°
- TuesdayJul 7Light Drizzle63%0.01″73°57°0°
- WednesdayJul 8Overcast19%—82°55°+9°
- ThursdayJul 9Light Drizzle36%0.01″85°60°+3°
- FridayJul 10Light Drizzle38%—82°66°-3°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.1 µg/m³, PM10 at 9.7 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 46 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
- Present
- AQI 46
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 9.1 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- Recent rain
- 0h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:59 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Newtown at a glance
- Today vs. normal: 8°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: 18940
16-Day Forecast — Newtown
- Sat93°72°31%
- Sun88°71°95%
- Mon73°62°95%
- Tue73°57°63%
- Wed82°55°19%
- Thu85°60°36%
- Fri82°66°38%
- Sat83°68°30%
- Sun70°64°28%
- Mon70°63°19%
- Tue80°61°18%
- Wed82°62°29%
- Thu91°68°30%
- Fri91°70°36%
- Sat80°69°42%
- Sun86°64°34%
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 — Newtown
SPC has placed Newtown 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 Newtown
- 17981