Zionsville, IN 46077 Weather

Boone County7:44 AM EDT39.96°N, 86.28°W

Current conditions

Clear
45°
Clear
Feels like 45°
High 70°·Low 45°
WindCalm
Humidity93%
Dew point43°
Pressure30.41 inHg
Visibility10 mi
Cloud cover6%
UV index0 Low
Sunrise8:06 AM
Sunset6:54 PM

Observed at Indianapolis, Eagle Creek Airpark · 29 min ago

Forecast

10-day
  • Saturday

    Sunny, with a high near 70. Southeast wind 1 to 5 mph.

  • Saturday Night

    Mostly clear, with a low around 45. Southeast wind around 3 mph.

  • Sunday

    Sunny, with a high near 72. South wind around 3 mph.

National Weather Service forecast updated 1 day ago.

  1. Now Sunny 45°
  2. 8 AM Sunny 44°
  3. 9 AM Sunny 46°
  4. 10 AM Sunny 52°
  5. 11 AM Sunny 59°
  6. 12 PM Sunny 63°
  7. 1 PM Sunny 66°
  8. 2 PM Mostly Sunny 68°
  9. 3 PM Mostly Sunny 70°
  10. 4 PM Mostly Sunny 70°
  11. 5 PM Mostly Sunny 70°
  12. 6 PM Partly Cloudy 68°
  13. 7 PM Partly Cloudy 66°
  14. 8 PM Partly Cloudy 63°
  15. 9 PM Partly Cloudy 59°
  16. 10 PM Mostly Clear 56°
  17. 11 PM Mostly Clear 53°
  18. Sun12 AM Mostly Clear 51°
  19. 1 AM Mostly Clear 50°
  20. 2 AM Mostly Clear 49°
  21. 3 AM Mostly Clear 48°
  22. 4 AM Mostly Clear 47°
  23. 5 AM Mostly Clear 46°
  24. 6 AM Sunny 45°

10-day forecast

Details
  1. TonightOct 22 Clear Clear44°
  2. FriOct 23 Sunny Sunny44°72°
  3. TodayOct 24 Sunny Sunny45°70°
  4. SunOct 25 Sunny Sunny47°72°
  5. MonOct 26 Mostly Sunny Mostly Sunny47°73°
  6. TueOct 27 Partly Sunny Partly Sunny46°68°
  7. WedOct 28 Partly Sunny Partly Sunny47°68°
  8. ThuOct 29 Slight Chance Rain Showers Slight Chance Rain Showers15%68°
  9. FriOct 30 Cloudy Cloudy41°56°
  10. SatOct 31 Rain Rain0.13 in38°59°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news near Zionsville

More weather news
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  • Sunny & cool weekend ahead; frost or freeze likely Saturday night & Sunday morning

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Air quality

69
Moderate
Fine particles (PM2.5)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • SatModerate
  • SunModerate
  • MonModerate

Indianapolis, IN reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 8:06 AM
Sunset 6:54 PM
Daylight 10 h 48 min (−2 min 27 s tomorrow)
Waxing Gibbous · 96% lit
Moonrise 5:46 PM Moonset 6:20 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low62° / 43°
Month to date1.43 in (normal 2.37 in)

Indianapolis Area, records since 1871. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in IND, issued 18 hrs ago

Key Messages

- Dry yet pleasant fall weather continues through early next week seasonably cool early mornings, above normal afternoon highs

- Patchy fog will occur in low lying areas late night/early mornings through Sunday morning

- A wetter pattern may take shape towards the Halloween weekend

Forecast Update

Issued at 941 AM EDT Fri Oct 23 2026

The forecast remains in good shape with only minor adjustments needed this morning. Latest observations depict patchy fog development in climatologically favored locations has mixed out under sunny skies. Surface high pressure across the region will continue to promote quiet weather conditions through the day. Look for plentiful sunshine to warm temperatures into the low 70s once again while winds remain light out of the southeast. Diurnal mixing should result in min RH values of around 30 to 40 percent during the afternoon.

Ind Watches

None.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.