Harman US

Diamond, MO Weather & Growing Conditions

Today
97°F
Sunny
Sunny. High near 97, with temperatures falling to around 95 in the afternoon. Heat index values as high as 98. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 97°F Sunny 8 to 15 mph SW 0%
Tonight 72°F Partly Cloudy 6 to 10 mph S 7%
Sunday 92°F Chance Showers And Thunderstorms 7 to 13 mph SW 32%
Sunday Night 66°F Showers And Thunderstorms 2 to 6 mph N 82%
Monday 80°F Showers And Thunderstorms 2 to 12 mph N 82%
Monday Night 59°F Partly Cloudy 7 to 13 mph N 13%
Tuesday 75°F Partly Sunny 10 mph NE 8%
Tuesday Night 54°F Partly Cloudy 6 to 12 mph NE 1%
Wednesday 77°F Sunny 8 mph NE 2%
Wednesday Night 55°F Mostly Clear 6 mph E 2%
Thursday 80°F Mostly Sunny 6 mph E 5%
Thursday Night 59°F Partly Cloudy 6 mph E 10%
Friday 80°F Slight Chance Rain Showers 7 mph E 21%
Friday Night 61°F Partly Cloudy 7 mph E 14%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Diamond, MO

Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
7a

Explore more for Diamond, MO: full frost dates · planting calendar · Missouri frost dates

Climate data from the nearest NOAA station, Diamond 2W, Mo (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.