Beacon, IA Weather & Growing Conditions
Overnight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 6 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 |
|---|---|---|---|---|
| Overnight | 70°F | Chance Showers And Thunderstorms | 6 mph S | 39% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 3 to 8 mph SSW | 51% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph NNW | 72% |
| Sunday | 69°F | Rain Showers Likely then Chance Showers And Thunderstorms | 8 to 12 mph NNE | 62% |
| Sunday Night | 59°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 13 mph NE | 61% |
| Monday | 63°F | Rain Showers Likely | 13 mph NE | 61% |
| Monday Night | 53°F | Rain Showers Likely | 10 mph NE | 56% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 9 mph NE | 35% |
| Tuesday Night | 47°F | Partly Cloudy | 3 to 7 mph NE | 3% |
| Wednesday | 65°F | Sunny | 6 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph ENE | 3% |
| Thursday | 67°F | Partly Sunny | 3 mph E | 11% |
| Thursday Night | 56°F | Partly Cloudy | 2 mph E | 5% |
| Friday | 69°F | Partly Sunny | 5 mph E | 5% |
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 Sep 19, 2026.