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

Weather in Grand Blanc, Michigan

Roses open along the stoops. Day 58 of spring. Read this microseason across nine climate regions →

Grand Blanc, MI
Saturday, May 16 at 11:43 PM
77
°
Overcast
Feels like
73°
Humidity
38%
Wind
12 mph
Sunrise
6:09 AM
Sunset
8:51 PM
Grand Blanc, MI
Hour by hour · 24h
63°
7p
61°
8p
56°
9p
52°
10p
49°
11p
47°
12a
44°
1a
44°
2a
43°
3a
43°
4a
42°
5a
40°
6a
42°
7a
48°
8a
56°
9a
59°
10a
60°
11a
61°
12p
61°
1p
66°
2p
68°
3p
68°
4p
69°
5p
70°
6p
L 40°H 70°
Grand Blanc, MI
7-day forecast
  1. Today
    May 16
    Light Drizzle
    38%
    82°54°
  2. Sunday
    May 17
    Overcast
    33%
    85°58°
  3. Monday
    May 18
    Drizzle
    45%
    83°66°
  4. Tuesday
    May 19
    Light Showers
    84%
    80°64°
  5. Wednesday
    May 20
    Overcast
    55%
    61°42°
  6. Thursday
    May 21
    Overcast
    61°39°
  7. Friday
    May 22
    Overcast
    60°44°
Grand Blanc, MI
Anemometer · 24h winds · from true
NESW
From · True
WSW
252° · veering 60°
Direction
WSW
252°
Sustained
12
mph
Gust
24
mph
Peak 24h
24
avg 10
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 10 · pk 24 @ 9:00a
−24h−18h−12h−6hnow
Light breeze veering 60° from the wsw.
Grand Blanc, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
980.8
-0.4 mb in 3h · rising · 28.96 inHg
Now
980.8
mb
3h
-0.4
mb
12h
+1.5
mb
24h
-1.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979983
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Grand Blanc, MI
Air quality
48
AQI
Good
PM 2.5
7.7 μg/m³
PM 10
8.9 μg/m³
NO₂
2.8 μg/m³
Ozone
118.0 μg/m³
UV Index
0.6 Low
Grand Blanc, MI
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
9:39 AM
Sunrise
6:09 AM
Daylight
14h 42m
Sunset
8:51 PM
Civil dusk
1:25 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grand Blanc, MI
The moon
New Moon
0% illuminated
Moonrise
9:30 AM
Moonset
12:04 AM
In sign
♉︎ Taurus
Grand Blanc, MI
Microseason · 28 of 72
May 16–20

Roses open along the stoops

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Grand Blanc at a glance

  • Today vs. normal: 8°F above the seasonal normal for this latitude
  • Last frost: May 4 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Cool-season window is open

As of May 16, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Grand Blanc

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.