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

Weather in Mattawan, Michigan

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

Mattawan, MI
Saturday, May 16 at 11:39 PM
75
°
Overcast
Feels like
76°
Humidity
60%
Wind
7 mph
Sunrise
6:20 AM
Sunset
8:58 PM
Mattawan, MI
Hour by hour · 24h
60°
7p
57°
8p
53°
9p
49°
10p
46°
11p
44°
12a
42°
1a
42°
2a
42°
3a
42°
4a
43°
5a
44°
6a
45°
7a
48°
8a
53°
9a
55°
10a
60°
11a
63°
12p
64°
1p
65°
2p
66°
3p
67°
4p
67°
5p
67°
6p
L 42°H 67°
Mattawan, MI
7-day forecast
  1. Today
    May 16
    Overcast
    32%
    79°56°
  2. Sunday
    May 17
    Overcast
    11%
    83°61°
  3. Monday
    May 18
    Light Showers
    71%
    80°65°
  4. Tuesday
    May 19
    Showers
    83%
    77°59°
  5. Wednesday
    May 20
    Overcast
    65%
    59°47°
  6. Thursday
    May 21
    Overcast
    63°43°
  7. Friday
    May 22
    Overcast
    11%
    67°42°
Mattawan, MI
Anemometer · 24h winds · from true
NESW
From · True
W
272° · veering 124°
Direction
W
272°
Sustained
7
mph
Gust
17
mph
Peak 24h
22
avg 9
Beaufort · 2 · LIGHT 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 22 @ 10:00a
−24h−18h−12h−6hnow
Light breeze veering 124° from the w.
Mattawan, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
981.4
0.0 mb in 3h · rising · 28.98 inHg
Now
981.4
mb
3h
0.0
mb
12h
+2.3
mb
24h
+0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 978983
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mattawan, MI
Air quality
74
AQI
Moderate
PM 2.5
6.4 μg/m³
PM 10
7.6 μg/m³
NO₂
3.2 μg/m³
Ozone
113.0 μg/m³
UV Index
0.6 Low
Mattawan, MI
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
9:50 AM
Sunrise
6:20 AM
Daylight
14h 38m
Sunset
8:58 PM
Civil dusk
1:31 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mattawan, MI
The moon
New Moon
0% illuminated
Moonrise
9:42 AM
Moonset
12:10 AM
In sign
♉︎ Taurus
Mattawan, 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 →

Mattawan at a glance

  • Today vs. normal: 6°F above the seasonal normal for this latitude
  • Last frost: April 29 (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 Mattawan

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.