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

Weather in Mason, Wisconsin

Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →

Mason, WI
Sunday, May 17 at 5:06 AM
46
°
Clear
Feels like
43°
Humidity
76%
Wind
1 mph
Sunrise
5:27 AM
Sunset
8:33 PM
Mason, WI
Hour by hour · 24h
57°
29%
12a
56°
28%
1a
55°
16%
2a
54°
3a
54°
4a
54°
5a
54°
6a
55°
7a
59°
8a
63°
9a
68°
10a
73°
11a
76°
12p
79°
1p
80°
2p
81°
3p
82°
4p
81°
5p
80°
6p
78°
7p
73°
8p
72°
9p
71°
10p
70°
11p
L 54°H 82°
Mason, WI
7-day forecast
  1. Today
    May 17
    Overcast
    52%
    57°40°
  2. Monday
    May 18
    Light Rain
    78%
    56°46°
  3. Tuesday
    May 19
    Drizzle
    93%
    46°39°
  4. Wednesday
    May 20
    Overcast
    54°38°
  5. Thursday
    May 21
    Overcast
    18%
    65°38°
  6. Friday
    May 22
    Light Drizzle
    18%
    57°44°
  7. Saturday
    May 23
    Light Drizzle
    18%
    63°43°
Mason, WI
Anemometer · 24h winds · from true
NESW
From · True
NNE
027° · veering 157°
Direction
NNE
027°
Sustained
1
mph
Gust
4
mph
Peak 24h
39
avg 11
Beaufort · 1 · LIGHT AIR
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 11 · pk 39 @ 1:00p
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Mason, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
980.4
+2.4 mb in 3h · rising · 28.95 inHg
Now
980.4
mb
3h
+2.4
mb
12h
+5.0
mb
24h
+9.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 971981
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mason, WI
Air quality
34
AQI
Good
PM 2.5
0.3 μg/m³
PM 10
0.3 μg/m³
NO₂
1.4 μg/m³
Ozone
52.0 μg/m³
UV Index
0.0 Low
Mason, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:55 AM
Sunrise
5:27 AM
Daylight
15h 06m
Sunset
8:33 PM
Civil dusk
2:08 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mason, WI
The moon
New Moon
0% illuminated
Moonrise
10:26 AM
Moonset
2:10 AM
In sign
♊︎ Gemini
Mason, WI
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Mason at a glance

  • Today vs. normal: 19°F below the seasonal normal for this latitude
  • Last frost: May 25 (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 17, 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.