Menlo, IA Weather & Growing Conditions
Tonight
43°F
Chance Rain Showers
A chance of rain showers before 3am. Cloudy. Low around 43, with temperatures rising to around 46 overnight. Northwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Chance Rain Showers | 15 mph NW | 37% |
| Wednesday | 51°F | Slight Chance Rain Showers | 14 to 18 mph W | 19% |
| Wednesday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 13 mph W | 25% |
| Thursday | 51°F | Chance Rain Showers | 12 mph NW | 49% |
| Thursday Night | 38°F | Mostly Cloudy | 9 mph N | 12% |
| Friday | 51°F | Partly Sunny | 2 to 7 mph N | 6% |
| Friday Night | 34°F | Mostly Cloudy | 2 mph WNW | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph WSW | 1% |
| Saturday Night | 37°F | Mostly Clear | 6 mph W | 4% |
| Sunday | 62°F | Sunny | 6 mph W | 5% |
| Sunday Night | 40°F | Mostly Clear | 5 to 8 mph SW | 1% |
| Monday | 65°F | Sunny | 7 to 13 mph WSW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 64°F | Mostly Sunny | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Menlo, IA
Last spring frost
May 2
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5b
Explore more for Menlo, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Guthrie Ctr, Ia (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.