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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 5:18 AM
65
°
Overcast
Feels like
64°
Humidity
68%
Wind
5 mph
Sunrise
5:25 AM
Sunset
8:11 PM
Mequon, WI
Hour by hour · 24h
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
62°
9p
62°
10p
61°
11p
L 47°H 77°
Mequon, WI
7-day forecast
  1. Today
    May 17
    Heavy Rain
    67%
    65°50°
  2. Monday
    May 18
    Heavy Rain
    64%
    74°54°
  3. Tuesday
    May 19
    Light Showers
    45%
    73°52°
  4. Wednesday
    May 20
    Overcast
    52°40°
  5. Thursday
    May 21
    Overcast
    56°38°
  6. Friday
    May 22
    Overcast
    60°44°
  7. Saturday
    May 23
    Overcast
    10%
    66°51°
Mequon, WI
Anemometer · 24h winds · from true
NESW
From · True
SW
218° · backing 93°
Direction
SW
218°
Sustained
5
mph
Gust
13
mph
Peak 24h
20
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 20 @ 5:00a
−24h−18h−12h−6hnow
Light breeze backing 93° from the sw.
Mequon, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.4
+0.2 mb in 3h · rising · 29.16 inHg
Now
987.4
mb
3h
+0.2
mb
12h
+1.0
mb
24h
+4.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983989
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mequon, WI
Air quality
44
AQI
Good
PM 2.5
18.6 μg/m³
PM 10
19.7 μg/m³
NO₂
31.6 μg/m³
Ozone
60.0 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
5:25 AM
Daylight
14h 46m
Sunset
8:11 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: 3°F below the seasonal normal for this latitude
  • 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.