Hawaii County (Hilo)
October
Weather in Hawaii County, Hawaii for October 2026
Your guide to Hawaii County weather in October - trends and predictions
Until now, October 2026 in Hawaii County has been nearly identical to the historical average, with a temperature of 25.2 °F (showing only a slight deviation of 0.3 °F).
The forecast for the next days in Hawaii County predicts temperatures to be around 25 °F, close to the historical average.
In general, the average temperature in Hawaii County at the beginning of October is 25.1 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 25.4 °F by the end of October.
Hawaii County experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 210.8 mm.
Is October a good time to visit Hawaii County? check out the best time to travel to Hawaii County page.
✨ Is October a good time to visit Hawaii County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
7
Dry days
24
Rainy days
0
Snow days
25°/21°
Temperatures
15 km/h
Avg max wind
75 %
Avg humidity
Hawaii County Weather October
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Temperatures trend during October in Hawaii County
See the weather trend as well as the moving average line
October weather in Hawaii County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Patchy rain possible | 26° /22° | 1.7 mm | 5 | |
| Oct. 2 | Patchy rain possible | 25° /22° | 0.6 mm | 5 | |
| Oct. 3 |  Cloudy | 25° /21° | 2.1 mm | 5 | |
| Oct. 4 |  Moderate rain at times | 25° /21° | 2.1 mm | 5 | |
| Oct. 5 | Moderate rain at times | 25° /20° | 4.2 mm | 5 | |
| Oct. 6 | Moderate rain at times | 25° /20° | 1.6 mm | 5 | |
| Oct. 7 |  Overcast | 25° /20° | 0.5 mm | 6 | |
| Oct. 8 | Patchy rain possible | 26° /22° | 1.1 mm | 7 | |
| Oct. 9 | Patchy rain possible | 26° /22° | 2.4 mm | 5 | |
| Oct. 10 | Patchy rain possible | 26° /21° | 2.6 mm | 5 | |
| Oct. 11 | Moderate rain at times | 26° /21° | 1.6 mm | 7 | |
| Oct. 12 | Patchy rain possible | 26° /20° | 3.9 mm | 7 | |
| Oct. 13 | Patchy rain possible | 26° /21° | 1.9 mm | 5 | |
| Oct. 14 | Patchy rain possible | 26° /22° | 3.4 mm | 6 | |
| Oct. 15 | Patchy rain possible | 25° /21° | 2.8 mm | 5 | |
| Oct. 16 | Patchy rain possible | 25° /21° | 6.9 mm | 5 | |
| Oct. 17 | Patchy rain possible | 25° /21° | 5.2 mm | 5 | |
| Oct. 18 | Patchy rain possible | 25° /22° | 5.3 mm | 5 | |
| Oct. 19 | Patchy rain possible | 25° /21° | 6.4 mm | 5 | |
| Oct. 20 | Patchy rain possible | 25° /24° | 4.7 mm | 5.3 | |
| Oct. 21 | Patchy rain possible | 25° /23° | 2.1 mm | 7.8 | |
| Oct. 22 | Patchy rain possible | 25° /23° | 3.5 mm | 7.9 | |
| Oct. 23 | Patchy rain possible | 25° /24° | 2.3 mm | 7.8 | |
| Oct. 24 | Patchy rain possible | 26° /24° | 4.1 mm | 6 | |
| Oct. 25 | Light rain shower | 25° /24° | 3.5 mm | 5 | |
| Oct. 26 | Overcast | 25° /24° | 0.9 mm | 7 | |
| Oct. 27 | Light rain shower | 27° /23° | 15.8 mm | 6 | |
| Oct. 28 | Light rain shower | 24° /23° | 52.5 mm | 5 | |
| Oct. 29 |  Moderate rain | 24° /23° | 65.3 mm | 5 | |
| Oct. 30 | Overcast | 27° /24° | 0 mm | 7 | |
| Oct. 31 | Overcast | 26° /25° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Hawaii County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hawaii County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Hawaii County in October - FAQ
What are the expected maximum and minimum temperatures in Hawaii County during October?
During October, expect a variety of temperatures with highs around 25° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hawaii County during October?
Significant rainfall exceeding 210.8 mm is expected in Hawaii County during October, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hawaii County during October?
The average wind speed in Hawaii County during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Hawaii County
Explore the daily rainfall trends and prepare for Hawaii Countys October weather 💧
Typically, Hawaii County has 24 rainy days in October with a total of 210.8 mm of rainfall.
UV exposure in Hawaii County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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