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

Mechanicsburg, Ohio Weather

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

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

Mechanicsburg, OH
Saturday, July 4 at 5:53 PM
79
°
Partly Cloudy
Feels like
83°
Humidity
72%
Wind
9 mph
Sunrise
2:10 AM
Sunset
5:06 PM
Mechanicsburg, OH
Hour by hour · 24h
24-Hour ForecastMechanicsburg, OH: 24-hour forecast. Temperatures range from 71 to 86 degrees Fahrenheit with a 31% chance of precipitation at 3 PM.
L 71°H 86°
Mechanicsburg, OH
7-day forecast
  1. Today
    Jul 4
    Light Showers
    28%
    0.41″
    89°70°
  2. Sunday
    Jul 5
    Heavy Showers
    34%
    1.0″
    86°71°-3°
  3. Monday
    Jul 6
    Showers
    51%
    0.10″
    79°66°-7°
  4. Tuesday
    Jul 7
    Light Drizzle
    18%
    76°63°-3°
  5. Wednesday
    Jul 8
    Overcast
    81°62°+5°
  6. Thursday
    Jul 9
    Light Drizzle
    38%
    80°63°-1°
  7. Friday
    Jul 10
    Thunderstorm
    54%
    0.11″
    78°68°-2°
Mechanicsburg, OH
Anemometer · 24h winds · from true
NESW
From · True
SSW
205° · backing 48°
Direction
SSW
205°
Sustained
9
mph
Gust
13
mph
Peak 24h
35
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 35 @ 5:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 359SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 48° from the ssw.
Mechanicsburg, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
974.8
-2.5 mb in 3h · falling rapidly · 28.79 inHg
Now
974.8
mb
3h
-2.5
mb
12h
-2.6
mb
24h
-4.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 974979
970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW979.0974.4974.4
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mechanicsburg, OH
Air quality
71
AQI
Moderate
+38 in 6hPeak ~92 @ 11 PM

AQI 71 (Moderate), driven by Ozone. AQI up 38 in the last 6 hours — air quality is degrading. Ozone at AQI 100 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

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

PM 2.5Good
9.8μg/m³
PM 10Good
11μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
137μg/m³
UV IndexModerate
2.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 100 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 100
UV peak
2.1 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 100

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.8 µg/m³, PM10 to 11.4 µg/m³.

PM2.5/PM10
0.86
Wind
light
Recent rain
2h in last 6h
Pattern
washed out
Mechanicsburg, OH
Sky cover · visibility · 24h
Cloud cover
70%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
44.4mi
UNLIMITED
89 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
21:53 UTC · Mechanicsburg, OH · 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
21:53 UTC · Mechanicsburg, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mechanicsburg, OH
Satellite · infrared · animated
Mechanicsburg, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mechanicsburg, OH
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:38 AM
Sunrise
2:10 AM
Daylight
14h 56m
Sunset
5:06 PM
Civil dusk
9:40 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mechanicsburg, OH
The moon
Waning Gibbous
78% illuminated
Moonrise
11:29 PM
Moonset
10:39 AM
In sign
♓︎ Pisces
Mechanicsburg, OH
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mechanicsburg at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: April 16 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 43044

16-Day Forecast — Mechanicsburg

  1. Sat89°70°28%
  2. Sun86°71°34%
  3. Mon79°66°51%
  4. Tue76°63°18%
  5. Wed81°62°6%
  6. Thu80°63°38%
  7. Fri78°68°54%
  8. Sat74°62°29%
  9. Sun72°57°14%
  10. Mon72°56°13%
  11. Tue74°55°9%
  12. Wed77°57°29%
  13. Thu80°60°29%
  14. Fri82°64°32%
  15. Sat78°67°35%
  16. Sun75°67°65%

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 — Mechanicsburg

SPC has placed Mechanicsburg 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 Mechanicsburg

  • 43044

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.