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

Weather in Grafton, Wisconsin

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

Grafton, WI
Sunday, May 17 at 4:05 AM
65
°
Mostly Clear
Feels like
64°
Humidity
71%
Wind
6 mph
Sunrise
5:26 AM
Sunset
8:10 PM
Grafton, WI
Hour by hour · 24h
48°
11p
47°
12a
47°
1a
48°
2a
49°
18%
3a
50°
15%
4a
50°
5a
50°
21%
6a
51°
7a
56°
8a
62°
9a
64°
10a
68°
11a
70°
12p
72°
1p
74°
2p
75°
3p
75°
4p
72°
5p
68°
6p
66°
7p
61°
8p
59°
9p
59°
10p
L 47°H 75°
Grafton, WI
7-day forecast
  1. Today
    May 16
    Rain
    94%
    83°55°
  2. Sunday
    May 17
    Rain
    55%
    65°49°
  3. Monday
    May 18
    Heavy Rain
    64%
    74°54°
  4. Tuesday
    May 19
    Light Showers
    46%
    72°52°
  5. Wednesday
    May 20
    Overcast
    52°40°
  6. Thursday
    May 21
    Overcast
    56°38°
  7. Friday
    May 22
    Overcast
    60°44°
Grafton, WI
Anemometer · 24h winds · from true
NESW
From · True
SSE
162° · backing 12°
Direction
SSE
162°
Sustained
6
mph
Gust
9
mph
Peak 24h
22
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 22 @ 4:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Grafton, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.2
-1.1 mb in 3h · steady · 29.06 inHg
Now
984.2
mb
3h
-1.1
mb
12h
+0.9
mb
24h
+5.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979986
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Grafton, WI
Air quality
43
AQI
Good
PM 2.5
18.2 μg/m³
PM 10
19.3 μg/m³
NO₂
37.0 μg/m³
Ozone
56.0 μg/m³
UV Index
0.0 Low
Grafton, 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
1:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grafton, WI
The moon
New Moon
0% illuminated
Moonrise
10:28 AM
Moonset
1:43 AM
In sign
♊︎ Gemini
Grafton, 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 →

Grafton at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: May 6 (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 Grafton

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.