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Clear Lake, Iowa Weather

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

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

Clear Lake, IA
Sunday, July 5 at 2:43 AM
66
°
Overcast
Feels like
67°
Humidity
90%
Wind
7 mph
Sunrise
12:40 AM
Sunset
3:56 PM
Clear Lake, IA
Hour by hour · 24h
24-Hour ForecastClear Lake, IA: 24-hour forecast. Temperatures range from 63 to 82 degrees Fahrenheit with a 30% chance of precipitation at 2 AM.
L 63°H 82°
Clear Lake, IA
7-day forecast
  1. Today
    Jul 5
    Rain
    30%
    0.16″
    82°63°
  2. Monday
    Jul 6
    Overcast
    85°67°+3°
  3. Tuesday
    Jul 7
    Overcast
    84°65°-1°
  4. Wednesday
    Jul 8
    T-storm w/ Hail
    58%
    82°67°-2°
  5. Thursday
    Jul 9
    Overcast
    58%
    76°60°-6°
  6. Friday
    Jul 10
    Overcast
    78°63°+2°
  7. Saturday
    Jul 11
    Light Drizzle
    83°66°+5°
Clear Lake, IA
Anemometer · 24h winds · from true
NESW
From · True
SE
146° · veering 111°
Direction
SE
146°
Sustained
7
mph
Gust
9
mph
Peak 24h
13
avg 3
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 3 · pk 13 @ 1:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 144SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Clear Lake, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
970.5
-0.6 mb in 3h · falling · 28.66 inHg
Now
970.5
mb
3h
-0.6
mb
12h
-1.0
mb
24h
+0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 970973
965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW972.7969.8971.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Clear Lake, IA
Air quality
35
AQI
Good
-10 in 6h

AQI 35 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.3 µg/m³, PM10 to 8.1 µg/m³.

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

PM 2.5DRIVERGood
6.3μg/m³
PM 10Good
8μg/m³
NO₂Good
13μg/m³
OzoneGood
47μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.3 µg/m³, PM10 to 8.1 µg/m³.

PM2.5/PM10
0.78
Wind
light
Recent rain
2h in last 6h
Pattern
washed out
Clear Lake, IA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
25.7mi
UNLIMITED
43 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
07:43 UTC · Clear Lake, IA · 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
07:43 UTC · Clear Lake, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Clear Lake, IA
Satellite · infrared · animated
Clear Lake, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Clear Lake, IA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
12:40 AM
Daylight
15h 16m
Sunset
3:56 PM
Civil dusk
9:32 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Clear Lake, IA
The moon
Waning Gibbous
75% illuminated
Moonrise
11:34 PM
Moonset
11:25 AM
In sign
♓︎ Pisces
Clear Lake, IA
Microseason
Jul 1–5

Cicadas claim the afternoon

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Clear Lake at a glance

  • Today vs. normal: 3°F below 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: 50428

15-Day Forecast — Clear Lake

  1. Sun82°64°30%
  2. Mon85°67°4%
  3. Tue84°65°6%
  4. Wed82°67°58%
  5. Thu76°60°58%
  6. Fri78°63°7%
  7. Sat83°66°8%
  8. Sun85°67°6%
  9. Mon87°66°9%
  10. Tue87°70°8%
  11. Wed85°62°12%
  12. Thu86°67°19%
  13. Fri85°67°19%
  14. Sat85°64°16%
  15. Sun92°70°16%

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.

SPC Convective Outlook

Storm Prediction Center — Clear Lake

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

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

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 Clear Lake

  • 50428

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.