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

Lannon, Wisconsin Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Lannon weather forecast — hour by hour, 7-day outlook, NOAA radar

Lannon, WI
Sunday, July 5 at 4:27 PM
77
°
Clear
Feels like
79°
Humidity
67%
Wind
10 mph
Sunrise
12:19 AM
Sunset
3:35 PM
Lannon, WI
Hour by hour · 24h
24-Hour ForecastLannon, WI: 24-hour forecast. Temperatures range from 61 to 81 degrees Fahrenheit.
L 61°H 81°
Lannon, WI
7-day forecast
  1. Today
    Jul 5
    Overcast
    77°65°
  2. Monday
    Jul 6
    Overcast
    81°61°+4°
  3. Tuesday
    Jul 7
    Overcast
    83°59°+2°
  4. Wednesday
    Jul 8
    Light Drizzle
    16%
    84°65°+1°
  5. Thursday
    Jul 9
    Thunderstorm
    58%
    76°63°-8°
  6. Friday
    Jul 10
    Overcast
    25%
    77°61°+1°
  7. Saturday
    Jul 11
    Overcast
    77°62°
Lannon, WI
Anemometer · 24h winds · from true
NESW
From · True
NE
053° · backing 74°
Direction
NE
053°
Sustained
10
mph
Gust
12
mph
Peak 24h
20
avg 6
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 6 · pk 20 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1510SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 74° from the ne.
Lannon, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.0
0.0 mb in 3h · steady · 29.09 inHg
Now
985.0
mb
3h
0.0
mb
12h
+1.5
mb
24h
+1.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983985
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW985.0982.6984.9
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Lannon, WI
Air quality
37
AQI
Good
+3 in 6h

AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.7 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
8.7μg/m³
PM 10Good
9μg/m³
NO₂Good
2μg/m³
OzoneModerate
94μg/m³
UV IndexModerate
4.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 44
UV peak
3.6 at earlier today
Sky at peak
overcast
Projected peak
AQI 44

PM × Wind × Precip

PM2.5 at 8.7 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Lannon, WI
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
50.4mi
UNLIMITED
49 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:27 UTC · Lannon, WI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:27 UTC · Lannon, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lannon, WI
Satellite · infrared · animated
Lannon, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lannon, WI
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:45 AM
Sunrise
12:19 AM
Daylight
15h 16m
Sunset
3:35 PM
Civil dusk
9:11 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lannon, WI
The moon
Waning Gibbous
69% illuminated
Moonrise
11:13 PM
Moonset
11:04 AM
In sign
♓︎ Pisces
Lannon, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lannon at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: May 5 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 53046

16-Day Forecast — Lannon

  1. Sun77°65°6%
  2. Mon81°61°1%
  3. Tue83°59°0%
  4. Wed84°65°16%
  5. Thu76°63°58%
  6. Fri77°61°25%
  7. Sat77°62°9%
  8. Sun83°63°9%
  9. Mon75°58°10%
  10. Tue75°56°10%
  11. Wed79°57°12%
  12. Thu81°61°21%
  13. Fri83°64°26%
  14. Sat85°67°29%
  15. Sun87°65°16%
  16. Mon85°67°26%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Lannon

  • 53046

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.