Diamondhead Lake, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Diamondhead Lake, a community in Dallas County, Iowa.
Today
51°F
Cloudy
Cloudy. High near 51, with temperatures falling to around 48 in the afternoon. West wind 14 to 17 mph, with gusts as high as 24 mph.
7-day forecast for Diamondhead Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Cloudy | 14 to 17 mph W | 8% |
| Tonight | 42°F | Mostly Cloudy then Chance Rain Showers | 13 mph W | 31% |
| Thursday | 52°F | Chance Rain Showers then Mostly Cloudy | 13 mph NW | 31% |
| Thursday Night | 38°F | Mostly Cloudy | 6 to 10 mph N | 6% |
| Friday | 50°F | Partly Sunny | 3 to 7 mph N | 2% |
| Friday Night | 30°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 54°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Saturday Night | 36°F | Mostly Clear | 5 mph WSW | 0% |
| Sunday | 60°F | Sunny | 6 mph W | 0% |
| Sunday Night | 38°F | Clear | 6 mph SW | 0% |
| Monday | 65°F | Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 3 to 7 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 5 mph NNW | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 3 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Diamondhead Lake (41.555, -94.260). Updated through the day.
Growing snapshot for Diamondhead Lake
Last spring frost
May 2
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
More local growing data for Diamondhead Lake: nearby ZIP 50233 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Guthrie Ctr, Ia (15.3 mi from Diamondhead Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.