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

Charter Oak, Iowa Weather

Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →

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

Charter Oak, IA
Monday, June 15 at 3:25 AM
51
°
Clear
Feels like
46°
Humidity
65%
Wind
6 mph
Sunrise
12:45 AM
Sunset
3:59 PM
Charter Oak, IA
Hour by hour · 24h
24-Hour ForecastCharter Oak, IA: 24-hour forecast. Temperatures range from 49 to 77 degrees Fahrenheit.
L 49°H 77°
Charter Oak, IA
7-day forecast
  1. Today
    Jun 15
    Overcast
    77°49°
  2. Tuesday
    Jun 16
    Rain
    0.13″
    75°52°-2°
  3. Wednesday
    Jun 17
    Light Drizzle
    56%
    85°57°+10°
  4. Thursday
    Jun 18
    Drizzle
    68°50°-17°
  5. Friday
    Jun 19
    Light Drizzle
    15%
    0.02″
    79°50°+11°
  6. Saturday
    Jun 20
    Drizzle
    40%
    0.06″
    72°61°-7°
  7. Sunday
    Jun 21
    Overcast
    48%
    76°61°+4°
Charter Oak, IA
Anemometer · 24h winds · from true
NESW
From · True
SW
225° · backing 26°
Direction
SW
225°
Sustained
6
mph
Gust
9
mph
Peak 24h
23
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 23 @ 8:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 216SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Charter Oak, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
971.6
+0.4 mb in 3h · steady · 28.69 inHg
Now
971.6
mb
3h
+0.4
mb
12h
-1.3
mb
24h
+1.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 970974
965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW973.8970.0971.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Charter Oak, IA
Air quality
39
AQI
Good
-5 in 6h

AQI 39 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline).

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

PM 2.5DRIVERGood
4.1μg/m³
PM 10Good
4μg/m³
NO₂Good
19μg/m³
OzoneGood
37μg/m³
UV IndexLow
0.0
Charter Oak, IA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
53.6mi
UNLIMITED
120 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
08:25 UTC · Charter Oak, 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
08:25 UTC · Charter Oak, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Charter Oak, IA
Satellite · infrared · animated
Charter Oak, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Charter Oak, IA
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:12 AM
Sunrise
12:45 AM
Daylight
15h 14m
Sunset
3:59 PM
Civil dusk
9:35 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Charter Oak, IA
The moon
New Moon
0% illuminated
Moonrise
5:47 AM
Moonset
9:19 PM
In sign
♊︎ Gemini
Charter Oak, IA
Microseason
Jun 11–15

Toward the solstice glow

celestial
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Charter Oak at a glance

  • Today vs. normal: 22°F below the seasonal normal for this latitude
  • Last frost: April 28 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

15-Day Forecast — Charter Oak

  1. Mon77°49°6%
  2. Tue75°52°6%
  3. Wed85°57°56%
  4. Thu68°50°3%
  5. Fri79°50°15%
  6. Sat72°61°40%
  7. Sun76°61°48%
  8. Mon73°58°25%
  9. Tue77°62°19%
  10. Wed83°63°19%
  11. Thu90°69°17%
  12. Fri91°73°29%
  13. Sat94°77°23%
  14. Sun96°66°24%
  15. Mon82°64°31%

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

Right now in the garden

Peak growing season

As of June 15, 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 — Charter Oak

SPC has placed Charter Oak in the General Thunderstorms category for severe thunderstorms today.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Charter Oak

  • 51439

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.