Evansville, Indiana Weather

Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →

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

Evansville, IN
Monday, September 21 at 1:00 AM
75
°
Overcast
Feels like
79°
Humidity
76%
Wind
5 mph
Sunrise
6:37 AM
Sunset
6:48 PM

Conditions updated 1:00 AM CDT · Open-Meteo

Evansville, IN
Hour by hour · 24h
24-Hour ForecastEvansville, IN: 24-hour forecast. Temperatures range from 67 to 87 degrees Fahrenheit.
L 67°H 87°
Evansville, IN
7-day forecast
  1. Today
    Sep 21
    Overcast
    19%
    87°68°
  2. Tuesday
    Sep 22
    Clear
    75°63°-12°
  3. Wednesday
    Sep 23
    Overcast
    75°56°
  4. Thursday
    Sep 24
    Overcast
    82°63°+7°
  5. Friday
    Sep 25
    Overcast
    80°59°-2°
  6. Saturday
    Sep 26
    Overcast
    65°55°-15°
  7. Sunday
    Sep 27
    Overcast
    79°59°+14°
Evansville, IN
Anemometer · 24h winds · from true
NESW
From · True
NE
039° · backing 170°
Direction
NE
039°
Sustained
5
mph
Gust
12
mph
Peak 24h
18
avg 6 mph
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 mph · pk 18 mph @ 10:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 218SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 170° from the ne.
Evansville, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.4
-0.4 mb in 3h · steady · 29.87 inHg
Now
1011.4
mb
3h
-0.4
mb
12h
-0.5
mb
24h
-0.7
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101013
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.21009.91011.4
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 39 · Good
Evansville, IN
Air quality
39
AQI
Good
-3 in 6h

AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

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
5μg/m³
NO₂Good
9μg/m³
OzoneDRIVERModerate
65μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 31
UV peak
3.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 7

PM × Wind × Precip

PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.98 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.98
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Evansville, IN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
12.1mi
UNLIMITED
35 mi0 mi−24h−18h−12h−6hnow
Evansville, IN
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:11 AM
Sunrise
6:37 AM
Daylight
12h 11m
Sunset
6:48 PM
Civil dusk
7:17 PM
Planting note
September — harvest tomatoes, peppers, beans, summer squash, winter squash
Evansville, IN
The moon
Waxing Gibbous
72% illuminated
Moonrise
4:17 PM
Moonset
1:17 AM
In sign
♑︎ Capricorn
Evansville, IN
Microseason
Sep 21–25

Thunder quiets the land

weather
Jan 172% of the yearDec 31

Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →

Evansville at a glance

  • Today vs. normal: Today averages 78°F (high 87°F, low 68°F), 8°F above the 70°F normal for Sep 21
  • Last frost: March 29 (1991–2020 median, NOAA station 4 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — harvest tomatoes, peppers, beans, summer squash, winter squash

15-Day Forecast — Evansville

  1. Mon87°68°19%
  2. Tue75°63°5%
  3. Wed75°56°1%
  4. Thu82°63°0%
  5. Fri80°59°0%
  6. Sat65°55°1%
  7. Sun79°59°5%
  8. Mon81°50°7%
  9. Tue84°56°24%
  10. Wed84°59°25%
  11. Thu79°48°11%
  12. Fri80°51°17%
  13. Sat74°64°13%
  14. Sun92°69°10%
  15. Mon94°70°14%

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

Live wind & temperature near Evansville

Interactive wind and temperature map centered on Evansville — it loads in your browser. Open the full weather map.

Right now in the garden

Late season

As of September 21, the first frost (around November 10) is about 7 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: harvest tomatoes, peppers, beans, summer squash, and winter squash.

SPC Convective Outlook

Storm Prediction Center — Evansville

SPC includes Evansville 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.

Sun & seasons in Evansville

Evansville sits in Vanderburgh County, where the year’s longest day runs 14h 48m of daylight and its shortest just 9h 31m — a swing of +5h 17m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Indianapolis, the state’s largest city, lies about 144 miles to the NNE. The nearest town Evansville tracks is Foxcliff Estates, roughly 120 miles to the NNE.

Air quality in Evansville

Air quality in Evansville’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 43). See the full air-quality history for Evansville.

Planting calendar

MonthPlantHarvest
Marchlettuce, peas, spinach, radishes
Aprillettuce, spinach, radishes, tomatoes, peppers, beans, squashlettuce, spinach, radishes
Maytomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Junebeans, squashlettuce, peas, spinach, beans, summer squash, garlic
Julytomatoes, peppers, beans, squashtomatoes, peppers, beans, summer squash, garlic
Augustbeans, squash, fall brassicas, carrotstomatoes, peppers, beans, summer squash, winter squash
Septembertomatoes, peppers, beans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Novembertomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Decemberfall brassicas, carrots

A year in weather

July is Evansville's warmest stretch (~80°F) and January its coldest (~35°F); precipitation crests in April at 5.2 inches and ebbs in August to 3.1 inches.

MonthMean tempPrecipRainy days
January35°3.56
February39°3.46
March48°4.77
April60°5.28
May68°4.88
June77°4.46
July80°4.56
August79°3.14
September73°3.45
October62°3.36
November49°4.06
December40°3.66

Regional context

Similar climates Melody Hill, IN, Newburgh, IN, Darmstadt, IN

Evansville's climate, from NOAA NCEI 1991-2020 station normals, pairs 35°F Januarys with 80°F Julys — a 45°F swing. About 47.8 inches of precipitation falls over roughly 75 days a year.

No season owns Evansville's rain: April reaches 5.2 inches across 8.4 days and August keeps 3.1 inches on 4.4, an even spread through Evansville's year. That even rhythm groups Evansville with places like Melody Hill, IN, Newburgh, IN and Darmstadt, IN.

The cool-season window in Evansville starts at March 29, when nights stop freezing — think peas, lettuce, spinach, and radishes. Hold Evansville's tender crops — tomatoes, peppers, basil — until 10-14 days past Evansville's last frost. It shuts near November 10, when freezes return to Evansville and tender plants need cover. In about half of years, Evansville's last freeze comes after March 29.

Similar climates: Melody Hill, IN, Newburgh, IN, Darmstadt, IN, Chandler, IN, Parkers Settlement, IN.

Frequently asked

When does it freeze in Evansville?
Evansville's last spring frost lands near March 29, and in Evansville the first fall frost follows around November 10.
What is the rainy season in Evansville?
Rainfall in Evansville peaks in April near 5.2 inches, out of about 48 inches annually.
What is the warmest month in Evansville?
The warmest stretch in Evansville comes in July, around 80°F on average.
What is the coldest month in Evansville?
On average January is the chilliest month in Evansville, about 35°F.
When can I start a vegetable garden in Evansville?
Frost-hardy sowings begin at March 29 in Evansville; warm-season starts follow two weeks on.
How many rainy days does Evansville get?
Evansville records around 75 days of measurable precipitation annually.
What hardiness zone is Evansville?
Evansville's hardiness zone tracks its winter low; with January near 35°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Evansville?
Evansville'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 Evansville?
See this week's day-by-day rain chances for Evansville in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Evansville?
Current conditions for Evansville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Evansville forecast updated?
The Evansville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Evansville?
Today's sunrise and sunset times for Evansville 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 Evansville?
The next few days in Evansville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Evansville sits at 38.0°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Evansville

  • 47701
  • 47702
  • 47703
  • 47704
  • 47705
  • 47706
  • 47708
  • 47710
  • 47711
  • 47712
  • 47713
  • 47714
  • 47715
  • 47716
  • 47719
  • 47720
  • 47722
  • 47724
  • 47725
  • 47728
  • 47730
  • 47731
  • 47732
  • 47733
  • 47734
  • 47735
  • 47736
  • 47737
  • 47740
  • 47747
  • 47750

Climate normals: NOAA NCEI 1991–2020 normals from the nearest station. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.