Weather StoryAlmanac, microseasons, and the day's weather story.

Newtown, Pennsylvania Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Newtown weather forecast — hour by hour, 7-day outlook, NOAA radar

Newtown, PA
Saturday, July 4 at 8:26 PM
93
°
Clear
Feels like
96°
Humidity
38%
Wind
5 mph
Sunrise
1:35 AM
Sunset
4:32 PM
Newtown, PA
Hour by hour · 24h
24-Hour ForecastNewtown, PA: 24-hour forecast. Temperatures range from 75 to 94 degrees Fahrenheit with a 59% chance of precipitation at 11 PM.
L 75°H 94°
Newtown, PA
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    59%
    0.75″
    99°74°
  2. Sunday
    Jul 5
    Heavy Rain
    57%
    1.7″
    91°71°-8°
  3. Monday
    Jul 6
    Heavy Rain
    92%
    0.78″
    79°68°-12°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    87%
    72°65°-7°
  5. Wednesday
    Jul 8
    Overcast
    28%
    75°62°+3°
  6. Thursday
    Jul 9
    Light Drizzle
    11%
    90°66°+15°
  7. Friday
    Jul 10
    Heavy Drizzle
    40%
    0.12″
    91°74°+1°
Newtown, PA
Anemometer · 24h winds · from true
NESW
From · True
SSW
200° · backing 144°
Direction
SSW
200°
Sustained
5
mph
Gust
10
mph
Peak 24h
20
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 20 @ 4:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 246SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 144° from the ssw.
Newtown, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1004.0
-0.8 mb in 3h · falling · 29.65 inHg
Now
1004.0
mb
3h
-0.8
mb
12h
-3.5
mb
24h
-4.0
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10041008
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1008.31004.01004.0
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Newtown, PA
Air quality
101
AQI
Unhealthy for Sensitive Groups
+45 in 6h

AQI 101 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 45 in the last 6 hours — air quality is degrading. Ozone at AQI 65. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.

PM 2.5Good
6.0μg/m³
PM 10Good
6μg/m³
NO₂Good
6μg/m³
OzoneDRIVERUnhealthy SG
116μg/m³
UV IndexLow
0.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 65. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 65
UV peak
0.1 at 1 PM
Sky at peak
overcast
Projected peak
AQI 8

PM × Wind × Precip

PM2.5 at 6.0 µg/m³, PM10 at 6.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.98
Wind
light
Recent rain
1h in last 6h
Pattern
background
Newtown, PA
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
104.2mi
UNLIMITED
114 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
00:26 UTC · Newtown, PA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
00:26 UTC · Newtown, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Newtown, PA
Satellite · infrared · animated
Newtown, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Newtown, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:03 AM
Sunrise
1:35 AM
Daylight
14h 57m
Sunset
4:32 PM
Civil dusk
9:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Newtown, PA
The moon
Waning Gibbous
77% illuminated
Moonrise
11:17 PM
Moonset
11:09 AM
In sign
♓︎ Pisces
Newtown, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Newtown at a glance

  • Today vs. normal: 22°F above the seasonal normal for this latitude
  • Last frost: April 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Newtown

  1. Sat99°74°59%
  2. Sun91°71°57%
  3. Mon79°68°92%
  4. Tue72°65°87%
  5. Wed75°62°28%
  6. Thu90°66°11%
  7. Fri91°74°40%
  8. Sat86°65°36%
  9. Sun77°64°27%
  10. Mon85°62°22%
  11. Tue89°67°19%
  12. Wed91°70°38%
  13. Thu88°68°40%
  14. Fri90°67°42%
  15. Sat87°68°35%
  16. Sun94°77°40%

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 — Newtown

SPC has placed Newtown in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWSLGTSlight 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

  • 18940

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.