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

Lake Koshkonong, Wisconsin Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Lake Koshkonong, WI
Saturday, July 4 at 10:41 AM
77
°
Overcast
Feels like
82°
Humidity
81%
Wind
9 mph
Sunrise
12:22 AM
Sunset
3:37 PM
Lake Koshkonong, WI
Hour by hour · 24h
24-Hour ForecastLake Koshkonong, WI: 24-hour forecast. Temperatures range from 66 to 82 degrees Fahrenheit with a 25% chance of precipitation at 4 PM.
L 66°H 82°
Lake Koshkonong, WI
7-day forecast
  1. Today
    Jul 4
    Overcast
    37%
    82°69°
  2. Sunday
    Jul 5
    Overcast
    14%
    83°66°+1°
  3. Monday
    Jul 6
    Partly Cloudy
    79°63°-4°
  4. Tuesday
    Jul 7
    Overcast
    81°57°+2°
  5. Wednesday
    Jul 8
    Light Showers
    26%
    81°60°
  6. Thursday
    Jul 9
    Light Showers
    46%
    0.05″
    72°66°-9°
  7. Friday
    Jul 10
    Partly Cloudy
    26%
    79°57°+7°
Lake Koshkonong, WI
Anemometer · 24h winds · from true
NESW
From · True
NNE
014° · veering 148°
Direction
NNE
014°
Sustained
9
mph
Gust
13
mph
Peak 24h
16
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 16 @ 1:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 179SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 148° from the nne.
Lake Koshkonong, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.5
-0.2 mb in 3h · steady · 29.13 inHg
Now
986.5
mb
3h
-0.2
mb
12h
-1.0
mb
24h
-3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW990.1986.6987.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Lake Koshkonong, WI
Air quality
28
AQI
Good
+1 in 6hPeak ~39 @ 10 PM

AQI 28 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5Good
3.8μg/m³
PM 10Good
5μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
69μg/m³
UV IndexModerate
3.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.

Present
AQI 33
UV peak
4.8 at 1 PM
Sky at peak
overcast
Projected peak
AQI 11
Lake Koshkonong, WI
Sky cover · visibility · 24h
Cloud cover
94%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
35.5mi
UNLIMITED
60 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
15:41 UTC · Lake Koshkonong, 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
15:41 UTC · Lake Koshkonong, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lake Koshkonong, WI
Satellite · infrared · animated
Lake Koshkonong, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lake Koshkonong, WI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:48 AM
Sunrise
12:22 AM
Daylight
15h 15m
Sunset
3:37 PM
Civil dusk
9:13 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lake Koshkonong, WI
The moon
Waning Gibbous
80% illuminated
Moonrise
10:54 PM
Moonset
9:59 AM
In sign
♓︎ Pisces
Lake Koshkonong, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lake Koshkonong at a glance

  • Today vs. normal: 8°F above the seasonal normal for this latitude
  • Last frost: May 3 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Lake Koshkonong

  1. Sat82°69°37%
  2. Sun83°66°14%
  3. Mon79°63°1%
  4. Tue81°57°2%
  5. Wed81°60°26%
  6. Thu72°66°46%
  7. Fri79°57°26%
  8. Sat82°62°10%
  9. Sun68°58°13%
  10. Mon73°55°8%
  11. Tue75°59°6%
  12. Wed79°61°20%
  13. Thu81°66°14%
  14. Fri84°68°19%
  15. Sat84°69°29%
  16. Sun85°70°29%

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

Right now in the garden

Peak growing season

As of July 4, 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.

SPC Convective Outlook

Storm Prediction Center — Lake Koshkonong

SPC includes Lake Koshkonong in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Lake Koshkonong

  • 53538

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.