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

McMurray, Pennsylvania Weather

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

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

McMurray, PA
Saturday, July 4 at 6:19 PM
93
°
Overcast
Feels like
97°
Humidity
49%
Wind
11 mph
Sunrise
1:56 AM
Sunset
4:53 PM
McMurray, PA
Hour by hour · 24h
24-Hour ForecastMcMurray, PA: 24-hour forecast. Temperatures range from 70 to 94 degrees Fahrenheit with a 47% chance of precipitation at 5 PM.
L 70°H 94°
McMurray, PA
7-day forecast
  1. Today
    Jul 4
    Light Showers
    43%
    1.1″
    94°70°
  2. Sunday
    Jul 5
    Overcast
    47%
    90°70°-4°
  3. Monday
    Jul 6
    T-storm w/ Hail
    84%
    81°69°-9°
  4. Tuesday
    Jul 7
    T-storm w/ Hail
    55%
    76°65°-5°
  5. Wednesday
    Jul 8
    Light Drizzle
    16%
    0.01″
    83°64°+7°
  6. Thursday
    Jul 9
    Light Drizzle
    36%
    85°62°+2°
  7. Friday
    Jul 10
    Drizzle
    69%
    0.09″
    75°68°-10°
McMurray, PA
Anemometer · 24h winds · from true
NESW
From · True
WNW
282° · veering 47°
Direction
WNW
282°
Sustained
11
mph
Gust
16
mph
Peak 24h
25
avg 7
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 7 · pk 25 @ 11:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 257SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 47° from the wnw.
McMurray, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
978.4
-0.9 mb in 3h · falling · 28.89 inHg
Now
978.4
mb
3h
-0.9
mb
12h
-2.3
mb
24h
-2.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 978983
970975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW983.1977.7978.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
McMurray, PA
Air quality
108
AQI
Unhealthy for Sensitive Groups
+50 in 6h

AQI 108 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 50 in the last 6 hours — air quality is degrading. Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

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

PM 2.5Good
8.8μg/m³
PM 10Good
9μg/m³
NO₂Good
4μg/m³
OzoneDRIVERUnhealthy SG
107μg/m³
UV IndexLow
0.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 50
UV peak
0.6 at earlier today
Sky at peak
clear
Projected peak
AQI 50

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.8 µg/m³, PM10 to 9.3 µg/m³.

PM2.5/PM10
0.95
Wind
breezy
Recent rain
2h in last 6h
Pattern
washed out
McMurray, PA
Sky cover · visibility · 24h
Cloud cover
97%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
82.6mi
UNLIMITED
90 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
22:19 UTC · McMurray, 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
22:19 UTC · McMurray, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
McMurray, PA
Satellite · infrared · animated
McMurray, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
McMurray, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:24 AM
Sunrise
1:56 AM
Daylight
14h 57m
Sunset
4:53 PM
Civil dusk
9:27 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
McMurray, PA
The moon
Waning Gibbous
78% illuminated
Moonrise
11:14 PM
Moonset
10:24 AM
In sign
♓︎ Pisces
McMurray, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

McMurray at a glance

  • Today vs. normal: 22°F above the seasonal normal for this latitude
  • Last frost: April 18 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — McMurray

  1. Sat94°70°43%
  2. Sun90°70°47%
  3. Mon81°69°84%
  4. Tue76°65°55%
  5. Wed83°64°16%
  6. Thu85°62°36%
  7. Fri75°68°69%
  8. Sat82°65°55%
  9. Sun78°60°26%
  10. Mon77°56°26%
  11. Tue78°56°19%
  12. Wed82°56°32%
  13. Thu85°59°29%
  14. Fri77°61°39%
  15. Sat83°68°25%
  16. Sun79°67°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 — McMurray

SPC has placed McMurray 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 McMurray

  • 15367
  • 15317

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.