Harman US

Diamond, MO Weather & Growing Conditions

Overnight
73°F
Mostly Clear
Mostly clear. Low around 73, with temperatures rising to around 75 overnight. South wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 73°F Mostly Clear 8 mph S 0%
Saturday 97°F Sunny 8 to 15 mph SW 0%
Saturday Night 72°F Partly Cloudy then Slight Chance Rain Showers 7 to 12 mph SW 16%
Sunday 92°F Chance Rain Showers 6 to 10 mph SW 35%
Sunday Night 66°F Showers And Thunderstorms Likely 6 mph NE 72%
Monday 82°F Showers And Thunderstorms Likely 2 to 12 mph N 62%
Monday Night 60°F Chance Rain Showers then Partly Cloudy 7 to 13 mph N 26%
Tuesday 77°F Partly Sunny 10 mph NE 8%
Tuesday Night 55°F Partly Cloudy 6 to 12 mph NE 4%
Wednesday 79°F Mostly Sunny 8 mph NE 2%
Wednesday Night 57°F Mostly Clear 7 mph NE 3%
Thursday 80°F Mostly Sunny 6 mph NE 8%
Thursday Night 59°F Partly Cloudy 6 mph E 6%
Friday 81°F Mostly Sunny 7 mph NE 9%

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.