Fort Irwin Weather in October

The climate in Fort Irwin during October can be summarized as warm and very dry.

October is in the fall / autumn in Fort Irwin and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 11°C (51°F) is normal.

On average October is the 3rd driest month of the year in Fort Irwin with around 5mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.9 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fort Irwin in October 2025.