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

Ossian, Indiana Weather

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

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

Ossian, IN
Saturday, July 4 at 9:40 AM
76
°
Partly Cloudy
Feels like
82°
Humidity
85%
Wind
5 mph
Sunrise
2:14 AM
Sunset
5:15 PM
Ossian, IN
Hour by hour · 24h
24-Hour ForecastOssian, IN: 24-hour forecast. Temperatures range from 68 to 87 degrees Fahrenheit with a 29% chance of precipitation at 4 AM.
L 68°H 87°
Ossian, IN
7-day forecast
  1. Today
    Jul 4
    Overcast
    33%
    —
    87°69°—
  2. Sunday
    Jul 5
    Light Rain
    29%
    0.10″
    81°68°-6°
  3. Monday
    Jul 6
    Light Drizzle
    18%
    —
    80°66°-1°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    83°61°+3°
  5. Wednesday
    Jul 8
    Overcast
    —
    —
    84°64°+1°
  6. Thursday
    Jul 9
    Light Drizzle
    39%
    —
    80°65°-4°
  7. Friday
    Jul 10
    Light Drizzle
    37%
    —
    79°69°-1°
Ossian, IN
Next 24 hours · Mild now
HOT 90°64°78°92°6a12p6p12anow 74°high 87°low 68°PRECIP %
Ossian, IN
Anemometer · 24h winds · from true
NESW
From · True
SW
223° · veering 18°
Direction
SW
223°
Sustained
5
mph
Gust
7
mph
Peak 24h
19
avg 7
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 7 · pk 19 @ 7:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 283SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Ossian, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.3
+0.8 mb in 3h · rising · 29.13 inHg
Now
986.3
mb
3h
+0.8
mb
12h
-0.2
mb
24h
-3.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985–989
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.4985.4986.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Ossian, IN
Air quality
35
AQI
Good
↓-9 in 6h▲Peak ~52 @ 8 PM

AQI 35 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 42 now. With UV 3.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 20 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.

PM 2.5Good
7.4μg/m³
PM 10Good
8μg/m³
NO₂Good
6μg/m³
OzoneDRIVERModerate
88μg/m³
UV IndexLow
1.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 42 now. With UV 3.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 20 around 1 PM.

Present
AQI 42
UV peak
3.6 at 1 PM
Sky at peak
clear
Projected peak
AQI 20

PM × Wind × Precip

PM2.5 at 7.4 µg/m³ (AQI 41) with a 0.89 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.89
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³300
Ossian, IN
Sky cover · visibility · 24h
Cloud cover
53%
PARTLY CLOUDY
100%0%−24h−18h−12h−6hnow
Visibility
33.2mi
UNLIMITED
80 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
13:40 UTC · Ossian, 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
13:40 UTC · Ossian, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Ossian, IN
Satellite · infrared · animated
Ossian, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Ossian, 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
2:14 AM
Daylight
15h 01m
Sunset
5:15 PM
Civil dusk
9:50 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Ossian, IN
The moon
Waning Gibbous
81% illuminated
Moonrise
11:36 PM
Moonset
10:45 AM
In sign
♓︎ Pisces
Ossian, IN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Ossian at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: April 21 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 46777

16-Day Forecast — Ossian

  1. Sat87°69°33%
  2. Sun81°68°29%
  3. Mon80°66°18%
  4. Tue83°61°4%
  5. Wed84°64°8%
  6. Thu80°65°39%
  7. Fri79°69°37%
  8. Sat84°65°21%
  9. Sun72°64°20%
  10. Mon72°61°13%
  11. Tue74°59°9%
  12. Wed82°62°26%
  13. Thu85°66°35%
  14. Fri81°69°26%
  15. Sat85°66°29%
  16. Sun87°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 — Ossian

SPC has placed Ossian 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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Cicadas claim the scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

Day 185 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

Ossian peaks at about 74°F in July and bottoms near 26°F in January; May brings the heaviest rain (4.6 inches) and February the least (2.1 inches).

MonthMean tempPrecipRainy days
January26°2.5″6
February29°2.1″5
March39°2.8″6
April50°3.7″8
May61°4.6″8
June71°4.5″8
July74°4.0″7
August72°3.8″6
September65°3.0″6
October53°3.0″6
November41°3.0″6
December31°2.5″6

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Ossian sees 26°F Januarys and 74°F Julys, a 48°F range, plus around 39.5 inches of precipitation across 77 days.

Ossian's rain peaks in summer: May brings 4.6 inches over 8.1 thunderstorm-fed days, while February sees just 2.1 inches across 5.2 days under cooler, drier air. That puts Ossian in a summer-convective cohort with places like Tocsin, IN, Uniondale, IN and Zanesville, IN.

By mid-April the frosts ease in Ossian, opening the season for kale, peas, spinach, and parsnips. Warm-soil crops in Ossian wait about two weeks past Ossian's last frost, once the soil warms. Ossian's window closes around mid-November as overnight lows return below freezing. In Ossian, low spots run 4-7°F colder than nearby slopes, nudging Ossian's frost dates a week.

Similar climates: Tocsin, IN, Uniondale, IN, Zanesville, IN, Craigville, IN, Hessen Cassel, IN.

Frequently asked

When does it freeze in Ossian?
In Ossian, expect the last spring frost near mid-April; Ossian's first autumn frost comes around mid-November.
What is the rainy season in Ossian?
Rainfall in Ossian peaks in May near 4.6 inches, out of about 39 inches annually.
What is the warmest month in Ossian?
July is Ossian's warmest month, averaging about 74°F.
What is the coldest month in Ossian?
Ossian bottoms out in January, with a mean near 26°F.
When can I start a vegetable garden in Ossian?
Ossian's last frost (mid-April) cues hardy greens; in Ossian, hold heat-lovers two weeks past.
How many rainy days does Ossian get?
Ossian records around 77 days of measurable precipitation annually.
What hardiness zone is Ossian?
Ossian sits in the USDA zone set by January lows near 26°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Ossian?
Ossian's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Ossian?
See this week's day-by-day rain chances for Ossian in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Ossian?
Current conditions for Ossian and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Ossian forecast updated?
The Ossian forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Ossian?
Today's sunrise and sunset times for Ossian are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Ossian?
The next few days in Ossian's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Ossian, Indiana occupies a humid subtropical zone, with January means near 26°F and July around 74°F — a 48°F swing.

Across the year, Ossian collects about 39 inches of precipitation over roughly 77 days with measurable rain or snow.

The 48°F gap between Ossian's summer and winter, at 40.9°N, shapes Ossian's frost calendar.

All cities in Indiana →

Fort Wayne, IN weather →

ZIP codes in Ossian

  • 46777

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.