California Polytechnic State University, CA Weather & Growing Conditions
Overnight
54°F
Patchy Fog
Patchy fog after 5am. Cloudy, with a low around 54. West southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Patchy Fog | 0 mph | 0% |
| Tuesday | 79°F | Patchy Fog then Partly Sunny | 0 to 5 mph WSW | 0% |
| Tuesday Night | 55°F | Patchy Fog | 0 to 5 mph SW | 0% |
| Wednesday | 80°F | Patchy Fog then Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 57°F | Patchy Fog | 0 to 5 mph NW | 0% |
| Thursday | 81°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WNW | 0% |
| Thursday Night | 57°F | Patchy Fog | 0 to 5 mph NW | 0% |
| Friday | 81°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Friday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 82°F | Sunny | 0 to 5 mph WSW | 0% |
| Saturday Night | 59°F | Mostly Clear | 0 to 5 mph S | 0% |
| Sunday | 81°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 57°F | Partly Cloudy | 5 mph SW | 1% |
| Monday | 77°F | Sunny | 5 to 10 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for California Polytechnic State University, CA
Last spring frost
Jan 16
First fall frost
Dec 25
Growing season
349 days
Hardiness zone
9b
Explore more for California Polytechnic State University, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, San Luis Obispo Poly, Ca (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.