Alexander, IA Weather & Growing Conditions
Today
71°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then a slight chance of showers and thunderstorms. Cloudy. High near 71, with temperatures falling to around 68 in the afternoon. North wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 38% |
| Tonight | 58°F | Slight Chance Showers And Thunderstorms | 12 mph N | 23% |
| Sunday | 65°F | Slight Chance Rain Showers then Slight Chance Drizzle | 15 mph NE | 20% |
| Sunday Night | 52°F | Chance Rain Showers | 13 mph ENE | 30% |
| Monday | 60°F | Chance Rain Showers | 13 mph ENE | 47% |
| Monday Night | 46°F | Chance Rain Showers | 6 to 9 mph ENE | 43% |
| Tuesday | 60°F | Mostly Sunny | 8 mph ENE | 10% |
| Tuesday Night | 43°F | Partly Cloudy | 6 mph E | 1% |
| Wednesday | 64°F | Sunny | 5 mph ESE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph ESE | 7% |
| Thursday | 65°F | Partly Sunny | 5 mph SE | 12% |
| Thursday Night | 52°F | Mostly Cloudy | 2 mph ESE | 5% |
| Friday | 68°F | Mostly Sunny | 2 to 6 mph ESE | 6% |
| Friday Night | 52°F | Mostly Cloudy | 3 mph SE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alexander, IA
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
Explore more for Alexander, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Hampton, Ia (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.