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

Portersville, Pennsylvania Weather

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

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

Portersville, PA
Saturday, July 4 at 4:03 PM
86
°
Overcast
Feels like
90°
Humidity
54%
Wind
8 mph
Sunrise
1:54 AM
Sunset
4:55 PM
Portersville, PA
Hour by hour · 24h
24-Hour ForecastPortersville, PA: 24-hour forecast. Temperatures range from 67 to 86 degrees Fahrenheit with a 57% chance of precipitation at 6 PM.
L 67°H 86°
Portersville, PA
7-day forecast
  1. Today
    Jul 4
    Rain
    63%
    0.17″
    87°68°
  2. Sunday
    Jul 5
    Overcast
    43%
    82°67°-5°
  3. Monday
    Jul 6
    T-storm w/ Hail
    84%
    0.16″
    79°67°-3°
  4. Tuesday
    Jul 7
    Thunderstorm
    32%
    76°64°-3°
  5. Wednesday
    Jul 8
    Overcast
    79°64°+3°
  6. Thursday
    Jul 9
    Light Drizzle
    24%
    81°61°+2°
  7. Friday
    Jul 10
    Thunderstorm
    69%
    0.28″
    74°66°-7°
Portersville, PA
Anemometer · 24h winds · from true
NESW
From · True
W
273° · veering 38°
Direction
W
273°
Sustained
8
mph
Gust
13
mph
Peak 24h
41
avg 6
Beaufort · 3 · GENTLE 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 41 @ 11:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 320SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 38° from the w.
Portersville, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
966.8
-1.6 mb in 3h · falling · 28.55 inHg
Now
966.8
mb
3h
-1.6
mb
12h
-1.4
mb
24h
-2.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 967971
960965970975-21h-18h-15h-12h-9h-6h-3h-24hNOW970.5966.8966.8
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Portersville, PA
Air quality
89
AQI
Moderate
+40 in 6hPeak ~102 @ 10 PM

AQI 89 (Moderate), driven by Ozone. AQI up 40 in the last 6 hours — air quality is degrading. Ozone at AQI 88 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5Good
7.4μg/m³
PM 10Good
8μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
130μg/m³
UV IndexModerate
2.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 88 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 88
UV peak
2.3 at earlier today
Sky at peak
clear
Projected peak
AQI 88

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.4 µg/m³, PM10 to 8.1 µg/m³.

PM2.5/PM10
0.91
Wind
light
Recent rain
2h in last 6h
Pattern
washed out
Portersville, PA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
68.1mi
UNLIMITED
77 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
20:03 UTC · Portersville, 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
20:03 UTC · Portersville, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Portersville, PA
Satellite · infrared · animated
Portersville, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Portersville, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:21 AM
Sunrise
1:54 AM
Daylight
15h 01m
Sunset
4:55 PM
Civil dusk
9:30 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Portersville, PA
The moon
Waning Gibbous
79% illuminated
Moonrise
11:16 PM
Moonset
10:23 AM
In sign
♓︎ Pisces
Portersville, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Portersville at a glance

  • Today vs. normal: 15°F above the seasonal normal for this latitude
  • Last frost: April 22 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 16051

16-Day Forecast — Portersville

  1. Sat88°68°63%
  2. Sun82°67°43%
  3. Mon79°67°84%
  4. Tue76°64°32%
  5. Wed79°64°7%
  6. Thu81°61°24%
  7. Fri74°66°69%
  8. Sat73°60°29%
  9. Sun73°56°22%
  10. Mon71°53°21%
  11. Tue73°52°23%
  12. Wed77°54°35%
  13. Thu80°57°28%
  14. Fri80°59°40%
  15. Sat80°65°35%
  16. Sun72°65°42%

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 — Portersville

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

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Portersville

  • 16051

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.