Beacon, IA Weather & Growing Conditions
This Afternoon
71°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 71, with temperatures falling to around 64 in the afternoon. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Showers And Thunderstorms Likely | 10 mph S | 60% |
| Tonight | 48°F | Chance Rain Showers | 7 to 12 mph SW | 44% |
| Wednesday | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 15 mph W | 21% |
| Wednesday Night | 44°F | Mostly Cloudy | 10 mph WSW | 5% |
| Thursday | 54°F | Chance Rain Showers | 10 mph WNW | 45% |
| Thursday Night | 41°F | Chance Rain Showers then Mostly Cloudy | 7 mph NNW | 25% |
| Friday | 53°F | Partly Sunny | 5 to 8 mph N | 6% |
| Friday Night | 35°F | Partly Cloudy | 0 to 3 mph NNW | 1% |
| Saturday | 56°F | Partly Sunny | 0 to 3 mph WSW | 1% |
| Saturday Night | 37°F | Mostly Clear | 1 to 5 mph W | 3% |
| Sunday | 62°F | Sunny | 6 mph W | 6% |
| Sunday Night | 38°F | Mostly Clear | 5 mph WSW | 2% |
| Monday | 66°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Beacon, IA
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
5b
Explore more for Beacon, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Oskaloosa, Ia (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.