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

New London, Iowa Weather

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

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

New London, IA
Saturday, July 4 at 3:24 PM
84
°
Clear
Feels like
89°
Humidity
61%
Wind
12 mph
Sunrise
12:39 AM
Sunset
3:40 PM
New London, IA
Hour by hour · 24h
24-Hour ForecastNew London, IA: 24-hour forecast. Temperatures range from 70 to 85 degrees Fahrenheit.
L 70°H 85°
New London, IA
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    31%
    85°69°
  2. Sunday
    Jul 5
    Foggy
    13%
    84°70°-1°
  3. Monday
    Jul 6
    Overcast
    80°65°-4°
  4. Tuesday
    Jul 7
    Overcast
    82°62°+2°
  5. Wednesday
    Jul 8
    T-storm w/ Hail
    11%
    85°64°+3°
  6. Thursday
    Jul 9
    Showers
    33%
    0.09″
    78°72°-7°
  7. Friday
    Jul 10
    Drizzle
    33%
    82°66°+4°
New London, IA
Anemometer · 24h winds · from true
NESW
From · True
NW
323° · veering 127°
Direction
NW
323°
Sustained
12
mph
Gust
15
mph
Peak 24h
20
avg 7
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 7 · pk 20 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 174SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 127° from the nw.
New London, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.3
-1.5 mb in 3h · falling · 29.15 inHg
Now
987.3
mb
3h
-1.5
mb
12h
+0.4
mb
24h
0.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986989
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.9986.3987.4
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
New London, IA
Air quality
37
AQI
Good
+11 in 6hPeak ~46 @ 11 PM

AQI 37 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 56 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

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

PM 2.5Good
5.2μg/m³
PM 10Good
6μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
111μg/m³
UV IndexModerate
5.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 56 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 56
UV peak
4.8 at earlier today
Sky at peak
overcast
Projected peak
AQI 56

PM × Wind × Precip

PM2.5 at 5.2 µg/m³, PM10 at 5.8 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.90
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
New London, IA
Sky cover · visibility · 24h
Cloud cover
13%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
58.9mi
UNLIMITED
63 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
20:24 UTC · New London, 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
20:24 UTC · New London, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
New London, IA
Satellite · infrared · animated
New London, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
New London, IA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
12:39 AM
Daylight
15h 01m
Sunset
3:40 PM
Civil dusk
9:15 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
New London, IA
The moon
Waning Gibbous
79% illuminated
Moonrise
11:01 PM
Moonset
10:10 AM
In sign
♓︎ Pisces
New London, IA
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

New London at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: April 22 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 52645

16-Day Forecast — New London

  1. Sat86°69°31%
  2. Sun84°70°13%
  3. Mon80°65°3%
  4. Tue82°62°2%
  5. Wed85°64°11%
  6. Thu78°72°33%
  7. Fri82°66°33%
  8. Sat72°61°14%
  9. Sun75°59°8%
  10. Mon75°58°8%
  11. Tue77°58°10%
  12. Wed78°57°19%
  13. Thu82°64°23%
  14. Fri79°67°16%
  15. Sat79°64°23%
  16. Sun73°59°24%

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 — New London

SPC includes New London 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 New London

  • 52645

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.