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Littlestown, Pennsylvania Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Littlestown, PA
Saturday, July 4 at 7:11 PM
95
°
Overcast
Feels like
97°
Humidity
33%
Wind
6 mph
Sunrise
1:45 AM
Sunset
4:39 PM
Littlestown, PA
Hour by hour · 24h
24-Hour ForecastLittlestown, PA: 24-hour forecast. Temperatures range from 74 to 95 degrees Fahrenheit with a 36% chance of precipitation at 6 PM.
L 74°H 95°
Littlestown, PA
7-day forecast
  1. Today
    Jul 4
    Rain
    30%
    0.14″
    97°75°
  2. Sunday
    Jul 5
    Overcast
    48%
    93°74°-4°
  3. Monday
    Jul 6
    Light Showers
    85%
    83°70°-10°
  4. Tuesday
    Jul 7
    Thunderstorm
    85%
    0.56″
    82°68°-1°
  5. Wednesday
    Jul 8
    Heavy Drizzle
    32%
    0.06″
    75°65°-7°
  6. Thursday
    Jul 9
    Overcast
    12%
    88°65°+13°
  7. Friday
    Jul 10
    Light Drizzle
    45%
    86°68°-2°
Littlestown, PA
Anemometer · 24h winds · from true
NESW
From · True
SSW
203° · backing 67°
Direction
SSW
203°
Sustained
6
mph
Gust
14
mph
Peak 24h
21
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 21 @ 3:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2919SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 67° from the ssw.
Littlestown, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
991.0
-0.7 mb in 3h · falling · 29.26 inHg
Now
991.0
mb
3h
-0.7
mb
12h
-2.2
mb
24h
-2.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 990995
9859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW994.6989.9991.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Littlestown, PA
Air quality
88
AQI
Moderate
+35 in 6h

AQI 88 (Moderate), driven by Ozone. AQI up 35 in the last 6 hours — air quality is degrading. Ozone at AQI 80. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
7.2μg/m³
PM 10Good
8μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
125μg/m³
UV IndexLow
0.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 80. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.

Present
AQI 80
UV peak
0.4 at 1 PM
Sky at peak
overcast
Projected peak
AQI 10

PM × Wind × Precip

PM scrubbed by 3 hours of recent rain — PM2.5 down to 7.2 µg/m³, PM10 to 7.8 µg/m³.

PM2.5/PM10
0.92
Wind
light
Recent rain
3h in last 6h
Pattern
washed out
Littlestown, PA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
121.1mi
UNLIMITED
128 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
23:11 UTC · Littlestown, 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
23:11 UTC · Littlestown, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Littlestown, PA
Satellite · infrared · animated
Littlestown, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Littlestown, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:14 AM
Sunrise
1:45 AM
Daylight
14h 54m
Sunset
4:39 PM
Civil dusk
9:13 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Littlestown, PA
The moon
Waning Gibbous
78% illuminated
Moonrise
11:01 PM
Moonset
10:12 AM
In sign
♓︎ Pisces
Littlestown, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Littlestown at a glance

  • Today vs. normal: 23°F above the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 17340

16-Day Forecast — Littlestown

  1. Sat97°75°28%
  2. Sun93°74°52%
  3. Mon83°70°85%
  4. Tue82°68°85%
  5. Wed75°65°32%
  6. Thu88°65°12%
  7. Fri86°68°45%
  8. Sat87°67°28%
  9. Sun78°64°29%
  10. Mon80°66°17%
  11. Tue84°61°16%
  12. Wed87°61°35%
  13. Thu90°64°46%
  14. Fri88°68°46%
  15. Sat90°68°40%
  16. Sun87°69°52%

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 — Littlestown

SPC has placed Littlestown 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 Littlestown

  • 17340

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.