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London, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for London, a community in Shelby County, Indiana.

Tonight
70°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between midnight and 2am, then a chance of showers and thunderstorms between 2am and 3am, then a slight chance of showers and thunderstorms between 3am and 5am. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.

7-day forecast for London

WhenTempForecastWindPrecip
Tonight 70°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 3 to 7 mph ESE 25%
Sunday 87°F Partly Sunny then Chance Showers And Thunderstorms 3 to 8 mph WSW 26%
Sunday Night 61°F Chance Showers And Thunderstorms 9 to 13 mph NNE 63%
Monday 73°F Chance Showers And Thunderstorms 13 mph NE 57%
Monday Night 56°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 9 to 14 mph NE 57%
Tuesday 71°F Chance Showers And Thunderstorms 9 to 13 mph NE 36%
Tuesday Night 57°F Chance Showers And Thunderstorms 7 to 15 mph NE 36%
Wednesday 70°F Chance Showers And Thunderstorms 6 to 9 mph NNE 36%
Wednesday Night 56°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NNE 29%
Thursday 72°F Mostly Cloudy 6 to 9 mph NNE 8%
Thursday Night 56°F Mostly Cloudy 5 to 9 mph NNE 5%
Friday 74°F Partly Sunny 5 to 9 mph NNE 5%
Friday Night 53°F Partly Cloudy 3 to 9 mph NNE 5%
Saturday 75°F Mostly Sunny 3 to 7 mph NE 3%

Forecast source: National Weather Service (api.weather.gov) for London (39.627, -85.917). Updated through the day.

Growing snapshot for London

Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6a

More local growing data for London: nearby ZIP 46126 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Shelbyville Muni Ap, In (4.9 mi from London). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.