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

Weather in Mequon, Wisconsin

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Mequon, WI
Sunday, May 17 at 2:53 AM
70
°
Overcast
Feels like
68°
Humidity
48%
Wind
4 mph
Sunrise
5:26 AM
Sunset
8:10 PM
Mequon, WI
Hour by hour · 24h
51°
9p
49°
10p
48°
11p
47°
12a
48°
1a
49°
2a
50°
18%
3a
51°
15%
4a
51°
5a
51°
19%
6a
53°
7a
58°
8a
62°
9a
65°
10a
68°
11a
71°
12p
72°
1p
74°
2p
76°
3p
77°
4p
77°
5p
74°
6p
69°
7p
64°
8p
L 47°H 77°
Mequon, WI
7-day forecast
  1. Today
    May 16
    Light Rain
    94%
    84°58°
  2. Sunday
    May 17
    Heavy Rain
    42%
    64°49°
  3. Monday
    May 18
    Heavy Rain
    62%
    74°54°
  4. Tuesday
    May 19
    Light Showers
    52%
    73°52°
  5. Wednesday
    May 20
    Overcast
    52°40°
  6. Thursday
    May 21
    Overcast
    56°38°
  7. Friday
    May 22
    Overcast
    60°44°
Mequon, WI
Anemometer · 24h winds · from true
NESW
From · True
SW
231° · veering 10°
Direction
SW
231°
Sustained
4
mph
Gust
6
mph
Peak 24h
21
avg 8
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 8 · pk 21 @ 3:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Mequon, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.8
0.0 mb in 3h · steady · 29.14 inHg
Now
986.8
mb
3h
0.0
mb
12h
+0.2
mb
24h
+4.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983988
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mequon, WI
Air quality
50
AQI
Good
PM 2.5
15.9 μg/m³
PM 10
16.9 μg/m³
NO₂
34.7 μg/m³
Ozone
62.0 μg/m³
UV Index
0.0 Low
Mequon, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:55 AM
Sunrise
5:26 AM
Daylight
14h 44m
Sunset
8:10 PM
Civil dusk
1:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mequon, WI
The moon
New Moon
0% illuminated
Moonrise
10:28 AM
Moonset
1:43 AM
In sign
♊︎ Gemini
Mequon, WI
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Mequon at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: May 5 (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 Mequon

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.