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 1:45 PM
89
°
Mostly Clear
Feels like
93°
Humidity
56%
Wind
11 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 70 to 91 degrees Fahrenheit with a 22% chance of precipitation at 6 AM.
L 70°H 91°
Mechanicsburg, OH
7-day forecast
  1. Today
    Jul 4
    Overcast
    18%
    91°70°
  2. Sunday
    Jul 5
    Overcast
    31%
    89°70°-2°
  3. Monday
    Jul 6
    Thunderstorm
    66%
    79°66°-10°
  4. Tuesday
    Jul 7
    Light Drizzle
    11%
    78°63°-1°
  5. Wednesday
    Jul 8
    Overcast
    83°63°+5°
  6. Thursday
    Jul 9
    Thunderstorm
    37%
    81°65°-2°
  7. Friday
    Jul 10
    Thunderstorm
    57%
    77°69°-4°
Mechanicsburg, OH
Anemometer · 24h winds · from true
NESW
From · True
SW
215° · backing 21°
Direction
SW
215°
Sustained
11
mph
Gust
13
mph
Peak 24h
20
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 20 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 152SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 21° from the sw.
Mechanicsburg, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
976.9
-0.3 mb in 3h · steady · 28.85 inHg
Now
976.9
mb
3h
-0.3
mb
12h
-0.3
mb
24h
-3.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 977981
970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW980.9977.0977.4
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mechanicsburg, OH
Air quality
36
AQI
Good
0 in 6hPeak ~92 @ 11 PM

AQI 36 (Good), driven by Ozone. Ozone at AQI 93 now. With UV 9.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 80 around 1 PM.

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

PM 2.5Good
11.9μg/m³
PM 10Good
15μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
133μg/m³
UV IndexVery high
9.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 93 now. With UV 9.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 80 around 1 PM.

Present
AQI 93
UV peak
9.1 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 80

PM × Wind × Precip

PM2.5 at 11.9 µg/m³, PM10 at 14.7 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.81
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Mechanicsburg, OH
Sky cover · visibility · 24h
Cloud cover
35%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
64.0mi
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
17:45 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
17:45 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
80% 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: 17°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. Sat91°70°18%
  2. Sun89°70°31%
  3. Mon79°66°66%
  4. Tue78°63°11%
  5. Wed83°63°7%
  6. Thu81°65°37%
  7. Fri77°69°57%
  8. Sat84°66°29%
  9. Sun75°61°13%
  10. Mon64°54°13%
  11. Tue73°60°15%
  12. Wed82°62°26%
  13. Thu83°66°26%
  14. Fri83°69°19%
  15. Sat84°67°40%
  16. Sun86°69°35%

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.