Alexander, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alexander, a city in Franklin County, Iowa.
Today
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 76, with temperatures falling to around 73 in the afternoon. West northwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Alexander
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms Likely | 7 to 10 mph WNW | 59% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 3 to 8 mph NNW | 59% |
| Wednesday | 74°F | Partly Sunny | 3 mph NNE | 8% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph SE | 2% |
| Thursday | 80°F | Sunny | 1 to 5 mph S | 2% |
| Thursday Night | 59°F | Mostly Clear | 6 mph S | 1% |
| Friday | 83°F | Sunny | 5 to 12 mph S | 7% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 7 to 10 mph S | 25% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Sunny | 6 to 12 mph S | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph SSE | 24% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 mph SE | 24% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 mph SE | 33% |
| Monday | 85°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 12 mph SE | 33% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph E | 34% |
Forecast source: National Weather Service (api.weather.gov) for Alexander (42.804, -93.479). Updated through the day.
Growing snapshot for Alexander
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
More local growing data for Alexander: nearby ZIP 50420 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hampton, Ia (13.4 mi from Alexander). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.