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

Weather in Brillion, Wisconsin

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

Brillion, WI
Sunday, May 17 at 5:17 AM
61
°
Overcast
Feels like
55°
Humidity
50%
Wind
10 mph
Sunrise
5:23 AM
Sunset
8:14 PM
Brillion, WI
Hour by hour · 24h
50°
12a
50°
1a
50°
2a
51°
27%
3a
52°
25%
4a
52°
27%
5a
53°
6a
52°
7a
57°
8a
62°
9a
66°
10a
68°
11a
71°
12p
73°
1p
76°
2p
76°
3p
77°
4p
79°
5p
76°
6p
75°
7p
71°
8p
68°
9p
65°
10p
64°
11p
L 50°H 79°
Brillion, WI
7-day forecast
  1. Today
    May 17
    Heavy Rain
    56%
    62°49°
  2. Monday
    May 18
    Light Showers
    61%
    73°55°
  3. Tuesday
    May 19
    Heavy Drizzle
    73%
    70°50°
  4. Wednesday
    May 20
    Overcast
    54°37°
  5. Thursday
    May 21
    Overcast
    57°35°
  6. Friday
    May 22
    Overcast
    57°42°
  7. Saturday
    May 23
    Overcast
    11%
    63°49°
Brillion, WI
Anemometer · 24h winds · from true
NESW
From · True
N
001° · backing 140°
Direction
N
001°
Sustained
10
mph
Gust
20
mph
Peak 24h
28
avg 9
Beaufort · 3 · GENTLE 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 9 · pk 28 @ 1:00a
−24h−18h−12h−6hnow
Light breeze backing 140° from the n.
Brillion, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
981.6
-1.0 mb in 3h · rising · 28.99 inHg
Now
981.6
mb
3h
-1.0
mb
12h
+2.0
mb
24h
+6.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 975983
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Brillion, WI
Air quality
41
AQI
Good
PM 2.5
8.3 μg/m³
PM 10
9.7 μg/m³
NO₂
13.6 μg/m³
Ozone
53.0 μg/m³
UV Index
0.0 Low
Brillion, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:52 AM
Sunrise
5:23 AM
Daylight
14h 51m
Sunset
8:14 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Brillion, WI
The moon
New Moon
0% illuminated
Moonrise
10:24 AM
Moonset
1:48 AM
In sign
♊︎ Gemini
Brillion, 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 →

Brillion at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: May 11 (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 Brillion

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.