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

Weather in Mason, Michigan

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

Mason, MI
Saturday, May 16 at 11:39 PM
76
°
Overcast
Feels like
72°
Humidity
42%
Wind
11 mph
Sunrise
6:14 AM
Sunset
8:54 PM
Mason, MI
Hour by hour · 24h
66°
7p
64°
8p
58°
9p
54°
10p
51°
11p
48°
12a
45°
1a
43°
2a
42°
3a
41°
4a
40°
5a
40°
6a
42°
7a
47°
8a
55°
9a
58°
10a
60°
11a
63°
12p
64°
1p
65°
2p
67°
3p
68°
4p
70°
5p
71°
6p
L 40°H 71°
Mason, MI
7-day forecast
  1. Today
    May 16
    Light Drizzle
    33%
    82°54°
  2. Sunday
    May 17
    Overcast
    21%
    85°60°
  3. Monday
    May 18
    Light Drizzle
    45%
    82°63°
  4. Tuesday
    May 19
    Showers
    84%
    79°63°
  5. Wednesday
    May 20
    Light Drizzle
    60%
    60°47°
  6. Thursday
    May 21
    Overcast
    61°40°
  7. Friday
    May 22
    Overcast
    14%
    66°41°
Mason, MI
Anemometer · 24h winds · from true
NESW
From · True
WSW
257° · veering 90°
Direction
WSW
257°
Sustained
11
mph
Gust
22
mph
Peak 24h
23
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 23 @ 10:00a
−24h−18h−12h−6hnow
Light breeze veering 90° from the wsw.
Mason, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
978.6
-0.2 mb in 3h · rising · 28.90 inHg
Now
978.6
mb
3h
-0.2
mb
12h
+2.3
mb
24h
-0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 976980
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mason, MI
Air quality
54
AQI
Moderate
PM 2.5
5.5 μg/m³
PM 10
6.7 μg/m³
NO₂
1.4 μg/m³
Ozone
121.0 μg/m³
UV Index
0.6 Low
Mason, MI
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
9:43 AM
Sunrise
6:14 AM
Daylight
14h 40m
Sunset
8:54 PM
Civil dusk
1:27 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mason, MI
The moon
New Moon
0% illuminated
Moonrise
9:35 AM
Moonset
12:06 AM
In sign
♉︎ Taurus
Mason, 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 →

Mason at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: May 1 (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 Mason

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.