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

Pontiac, Michigan Weather

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

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

Pontiac, MI
Saturday, July 4 at 5:32 AM
68
°
Heavy Rain
Feels like
69°
Humidity
87%
Wind
10 mph
Sunrise
2:00 AM
Sunset
5:14 PM
Pontiac, MI
Hour by hour · 24h
24-Hour ForecastPontiac, MI: 24-hour forecast. Temperatures range from 68 to 82 degrees Fahrenheit with a 52% chance of precipitation at 5 AM.
L 68°H 82°
Pontiac, MI
7-day forecast
  1. Today
    Jul 4
    Rain
    52%
    0.63″
    82°68°
  2. Sunday
    Jul 5
    Overcast
    49%
    80°68°-2°
  3. Monday
    Jul 6
    Drizzle
    74°63°-6°
  4. Tuesday
    Jul 7
    Clear
    85°62°+11°
  5. Wednesday
    Jul 8
    Overcast
    87°65°+2°
  6. Thursday
    Jul 9
    Light Drizzle
    32%
    77°66°-10°
  7. Friday
    Jul 10
    Overcast
    29%
    83°63°+6°
Pontiac, MI
Anemometer · 24h winds · from true
NESW
From · True
SW
235° · backing 26°
Direction
SW
235°
Sustained
10
mph
Gust
24
mph
Peak 24h
38
avg 9
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 9 · pk 38 @ 7:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 321SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 26° from the sw.
Pontiac, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
981.3
+1.8 mb in 3h · rising · 28.98 inHg
Now
981.3
mb
3h
+1.8
mb
12h
+0.9
mb
24h
+0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980984
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW983.5979.6982.1
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Pontiac, MI
Air quality
35
AQI
Good
-13 in 6h

AQI 35 (Good), driven by PM2.5. AQI down 13 over the last 6 hours (gradual decline). PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.7 µg/m³, PM10 to 11.3 µg/m³.

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

PM 2.5DRIVERGood
10.7μg/m³
PM 10Good
11μg/m³
NO₂Good
10μg/m³
OzoneGood
54μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.7 µg/m³, PM10 to 11.3 µg/m³.

PM2.5/PM10
0.95
Wind
breezy
Recent rain
4h in last 6h
Pattern
washed out
Pontiac, MI
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
5.3mi
MODERATE
83 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
09:32 UTC · Pontiac, MI · 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
09:32 UTC · Pontiac, MI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Pontiac, MI
Satellite · infrared · animated
Pontiac, MI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Pontiac, MI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:27 AM
Sunrise
2:00 AM
Daylight
15h 14m
Sunset
5:14 PM
Civil dusk
9:50 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Pontiac, MI
The moon
Waning Gibbous
83% illuminated
Moonrise
11:31 PM
Moonset
10:34 AM
In sign
♓︎ Pisces
Pontiac, MI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Pontiac at a glance

  • Today vs. normal: 68°F — typical for the season
  • Last frost: May 2 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 48340, 48341, 48342

15-Day Forecast — Pontiac

  1. Sat87°68°52%
  2. Sun80°68°49%
  3. Mon74°63°9%
  4. Tue85°62°4%
  5. Wed87°65°9%
  6. Thu77°66°32%
  7. Fri83°63°29%
  8. Sat87°66°19%
  9. Sun78°66°14%
  10. Mon83°63°13%
  11. Tue71°64°12%
  12. Wed80°60°18%
  13. Thu84°64°32%
  14. Fri83°67°35%
  15. Sat76°61°13%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Pontiac

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 — Pontiac

SPC includes Pontiac in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

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 Pontiac

  • 48342
  • 48340
  • 48341
  • 48055
  • 48343

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.