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

Weather in Biron, Wisconsin

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

Biron, WI
Sunday, May 17 at 2:57 AM
67
°
Clear
Feels like
61°
Humidity
34%
Wind
5 mph
Sunrise
5:30 AM
Sunset
8:20 PM
Biron, WI
Hour by hour · 24h
61°
9p
58°
10p
58°
13%
11p
54°
38%
12a
53°
49%
1a
52°
38%
2a
52°
36%
3a
52°
15%
4a
50°
5a
51°
6a
53°
7a
56°
8a
60°
9a
64°
10a
69°
11a
73°
12p
75°
1p
77°
2p
79°
3p
81°
4p
82°
5p
80°
6p
79°
7p
75°
8p
L 50°H 82°
Biron, WI
7-day forecast
  1. Today
    May 16
    Overcast
    49%
    82°60°
  2. Sunday
    May 17
    Light Rain
    41%
    61°51°
  3. Monday
    May 18
    Rain
    84%
    76°53°
  4. Tuesday
    May 19
    Showers
    84%
    68°46°
  5. Wednesday
    May 20
    Overcast
    57°40°
  6. Thursday
    May 21
    Overcast
    60°38°
  7. Friday
    May 22
    Light Drizzle
    57°46°
Biron, WI
Anemometer · 24h winds · from true
NESW
From · True
WNW
282° · veering 81°
Direction
WNW
282°
Sustained
5
mph
Gust
14
mph
Peak 24h
26
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 26 @ 4:00p
−24h−18h−12h−6hnow
Light breeze veering 81° from the wnw.
Biron, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
973.7
+0.2 mb in 3h · rising · 28.75 inHg
Now
973.7
mb
3h
+0.2
mb
12h
+0.5
mb
24h
+4.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 969975
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Biron, WI
Air quality
53
AQI
Moderate
PM 2.5
9.3 μg/m³
PM 10
10.9 μg/m³
NO₂
6.5 μg/m³
Ozone
83.0 μg/m³
UV Index
0.0 Low
Biron, WI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:58 AM
Sunrise
5:30 AM
Daylight
14h 50m
Sunset
8:20 PM
Civil dusk
1:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Biron, WI
The moon
New Moon
0% illuminated
Moonrise
10:30 AM
Moonset
1:56 AM
In sign
♊︎ Gemini
Biron, 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 →

Biron at a glance

  • Today vs. normal: 67°F — typical for the season
  • Last frost: May 13 (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 Biron

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.