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Fishers, IN Weather on May 15

May 15th in Fishers, IN typically brings pleasant spring weather, with average highs around 72°F and lows near 50°F. Over 53 years of records, the warmest May 15th was in 2018 (76°F average), while the coldest was 2016 (43°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 53% of May 15th dates historically, with the wettest May 15th recording 6.2" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
72°F
Avg Low
50°F
Record High
88°F
2018
Record Low
37°F
1973
Fishers, IN on May 15 — Temperature History20°F40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on May 15

Planning for May 15th in Fishers, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

May 15 Weather Records for Fishers

  • The all-time record high for May 15th in Fishers, IN is 88°F, set in 2018.
  • The coldest May 15th on record dropped to 37°F in 1973.

Frequently Asked Questions

What was the warmest May 15 ever in Fishers?

The warmest May 15 in Fishers, IN reached 88°F in 2018. That is 16°F above the long-term average high of 72°F.

What was the coldest May 15 ever in Fishers?

The coldest May 15 in Fishers, IN dropped to 37°F in 1973. That is 13°F below the long-term average low of 50°F.

What is the average temperature on May 15 in Fishers?

On May 15, Fishers averages a high of 72°F and a low of 50°F based on 53 years of NOAA weather observations from OAKLANDON GEIST RSVR.

How many years of weather data are available for May 15 in Fishers?

We have 53 years of weather records for May 15 in Fishers, IN, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

May 15 Weather History in Fishers

YearHighLowPrecipSnow
202577°F60°F1.42"--
202479°F57°F6.2"--
202371°F49°F0.36"--
202284°F54°F0.2"--
202168°F41°F0"--
202075°F45°F----
201967°F40°F0"--
201888°F65°F0.08"--
201782°F54°F0"--
201647°F39°F0.03"--
201569°F48°F0.03"--
201480°F44°F2.79"--
201369°F--0"--
201281°F47°F0"--
201179°F52°F3.81"--
201070°F42°F0.38"--
200972°F46°F0"--
200862°F44°F0"--
200783°F54°F0"--
200655°F45°F0.18"--
200564°F43°F0.48"--
200474°F50°F1.52"--
200371°F51°F2.21"--
200264°F44°F0"--
199964°F53°F0"--
199887°F55°F0"--
199769°F42°F0"--
199660°F41°F0.56"--
199576°F50°F0"--
199469°F58°F0.28"--
199372°F51°F0"--
199266°F45°F0.3"--
199185°F59°F0"--
199069°F52°F0"--
198965°F48°F0"--
198882°F51°F0"--
198786°F57°F0.28"--
198676°F57°F0"--
198583°F63°F1.73"--
198466°F42°F0"--
198370°F50°F0.79"--
198287°F60°F0.94"--
198162°F44°F0.79"--
198064°F44°F0"--
197975°F51°F0.99"--
197847°F43°F0.38"--
197784°F53°F0"--
197672°F61°F0.3"--
197574°F51°F0"--
197481°F54°F2.92"--
197362°F37°F0.03"--
197271°F54°F0.89"--
197175°F49°F0"--

Based on 53 years of data from NOAA station: OAKLANDON GEIST RSVR

Monthly Climate Averages

Historical temperature and precipitation averages for Fishers, IN, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 85°F / Low: 64°F
Coldest MonthJanuaryAvg High: 34°F / Low: 17°F
Jan
34°/ 17°
💧 5.7"
❄️ 1.6"
Feb
38°/ 20°
💧 6.5"
❄️ 1.6"
Mar
50°/ 30°
💧 7.9"
❄️ 1.5"
Apr
62°/ 40°
💧 8.1"
❄️ 1.3"
May
73°/ 51°
💧 9.4"
Jun
81°/ 60°
💧 10.3"
Jul
85°/ 64°
💧 11.0"
Aug
83°/ 62°
💧 10.4"
Sep
77°/ 54°
💧 9.6"
Oct
65°/ 42°
💧 8.3"
❄️ 3.2"
Nov
52°/ 33°
💧 8.3"
❄️ 1.1"
Dec
39°/ 23°
💧 6.7"
❄️ 1.6"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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