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

Weather in Williams Bay, Wisconsin

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

Williams Bay, WI
Sunday, May 17 at 4:03 AM
68
°
Partly Cloudy
Feels like
70°
Humidity
81%
Wind
3 mph
Sunrise
5:30 AM
Sunset
8:10 PM
Williams Bay, WI
Hour by hour · 24h
52°
11p
51°
12a
50°
1a
50°
20%
2a
50°
19%
3a
52°
4a
52°
5a
52°
6a
55°
7a
58°
8a
60°
9a
62°
10a
66°
11a
68°
12p
71°
1p
73°
2p
75°
3p
76°
4p
77°
5p
76°
6p
74°
7p
70°
8p
67°
9p
67°
10p
L 50°H 77°
Williams Bay, WI
7-day forecast
  1. Today
    May 16
    Rain
    64%
    81°59°
  2. Sunday
    May 17
    Heavy Rain
    34%
    84°59°
  3. Monday
    May 18
    Showers
    61%
    78°64°
  4. Tuesday
    May 19
    Showers
    53%
    72°52°
  5. Wednesday
    May 20
    Overcast
    58°40°
  6. Thursday
    May 21
    Overcast
    60°38°
  7. Friday
    May 22
    Overcast
    11%
    64°45°
Williams Bay, WI
Anemometer · 24h winds · from true
NESW
From · True
SSE
168° · backing 70°
Direction
SSE
168°
Sustained
3
mph
Gust
11
mph
Peak 24h
17
avg 6
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 6 · pk 17 @ 2:00a
−24h−18h−12h−6hnow
Light breeze backing 70° from the sse.
Williams Bay, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
978.5
-1.6 mb in 3h · falling · 28.90 inHg
Now
978.5
mb
3h
-1.6
mb
12h
+0.6
mb
24h
+3.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 975980
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Williams Bay, WI
Air quality
47
AQI
Good
PM 2.5
5.7 μg/m³
PM 10
6.7 μg/m³
NO₂
19.8 μg/m³
Ozone
63.0 μg/m³
UV Index
0.0 Low
Williams Bay, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:00 AM
Sunrise
5:30 AM
Daylight
14h 40m
Sunset
8:10 PM
Civil dusk
1:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Williams Bay, WI
The moon
New Moon
0% illuminated
Moonrise
10:33 AM
Moonset
1:43 AM
In sign
♊︎ Gemini
Williams Bay, 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 →

Williams Bay at a glance

  • Today vs. normal: 68°F — typical for the season
  • 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 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 Williams Bay

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.