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

Oswego, Indiana Weather

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

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

Oswego, IN
Saturday, July 4 at 4:12 PM
85
°
Clear
Feels like
94°
Humidity
61%
Wind
5 mph
Sunrise
2:15 AM
Sunset
5:19 PM
Oswego, IN
Hour by hour · 24h
24-Hour ForecastOswego, IN: 24-hour forecast. Temperatures range from 70 to 85 degrees Fahrenheit with a 52% chance of precipitation at 8 PM.
L 70°H 85°
Oswego, IN
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    52%
    1.3″
    85°70°
  2. Sunday
    Jul 5
    Rain
    40%
    0.23″
    82°70°-3°
  3. Monday
    Jul 6
    Drizzle
    25%
    0.03″
    73°63°-9°
  4. Tuesday
    Jul 7
    Clear
    80°59°+7°
  5. Wednesday
    Jul 8
    Light Drizzle
    81°60°+1°
  6. Thursday
    Jul 9
    Thunderstorm
    48%
    0.02″
    79°68°-2°
  7. Friday
    Jul 10
    Light Drizzle
    43%
    0.02″
    77°68°-2°
Oswego, IN
Anemometer · 24h winds · from true
NESW
From · True
WNW
292° · veering 53°
Direction
WNW
292°
Sustained
5
mph
Gust
9
mph
Peak 24h
20
avg 6
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 6 · pk 20 @ 5:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 255SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 53° from the wnw.
Oswego, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.2
-0.4 mb in 3h · steady · 29.09 inHg
Now
985.2
mb
3h
-0.4
mb
12h
+0.6
mb
24h
-2.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 984987
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW987.3984.4985.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Oswego, IN
Air quality
46
AQI
Good
+10 in 6h

AQI 46 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 53 — peak already passed at 1 PM under clear 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
9.2μg/m³
PM 10Good
10μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
109μg/m³
UV IndexModerate
3.2

What's driving it

Ozone × UV × Sky

Ozone at AQI 53 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 53
UV peak
2.9 at earlier today
Sky at peak
clear
Projected peak
AQI 53

PM × Wind × Precip

PM2.5 at 9.2 µg/m³, PM10 at 10.2 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.90
Wind
light
Recent rain
1h in last 6h
Pattern
background
Oswego, IN
Sky cover · visibility · 24h
Cloud cover
3%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
59.1mi
UNLIMITED
64 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
20:12 UTC · Oswego, IN · 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
20:12 UTC · Oswego, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Oswego, IN
Satellite · infrared · animated
Oswego, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Oswego, IN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:42 AM
Sunrise
2:15 AM
Daylight
15h 04m
Sunset
5:19 PM
Civil dusk
9:54 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Oswego, IN
The moon
Waning Gibbous
79% illuminated
Moonrise
11:40 PM
Moonset
10:47 AM
In sign
♓︎ Pisces
Oswego, IN
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Oswego at a glance

  • Today vs. normal: 15°F above the seasonal normal for this latitude
  • Last frost: April 24 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Oswego

  1. Sat86°70°52%
  2. Sun82°70°40%
  3. Mon73°63°25%
  4. Tue80°59°3%
  5. Wed81°60°4%
  6. Thu79°68°48%
  7. Fri77°68°43%
  8. Sat73°59°18%
  9. Sun74°53°11%
  10. Mon73°54°11%
  11. Tue75°53°11%
  12. Wed78°61°30%
  13. Thu81°60°28%
  14. Fri79°67°29%
  15. Sat74°68°35%
  16. Sun76°64°55%

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 — Oswego

SPC has placed Oswego in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

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 Oswego

  • 46582
  • 46538

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.