| Date | Weather | Pre. | Max. | Min |
|---|---|---|---|---|
| Fri 9/19 | Beautiful with plenty of sunshine; low humidity and dry brush will result in an elevated fire threat | 77°F | 43°F | |
| Sat 9/20 | Sunny | 72°F | 38°F | |
| Sun 9/21 | Beautiful with plenty of sun; dry weather for the race | 74°F | 43°F | |
| Mon 9/22 | Mainly cloudy | 75°F | 52°F | |
| Tue 9/23 | Very warm with intervals of clouds and sunshine; a couple of showers in the afternoon | 83°F | 59°F |
| Wed 9/24 | Partly sunny and delightful | 75°F | 52°F | |
| Thu 9/25 | Mostly cloudy | 72°F | 50°F | |
| Fri 9/26 | Plenty of sunshine | 77°F | 52°F | |
| Sat 9/27 | Cloudy with afternoon showers and thunderstorms | 77°F | 50°F | |
| Sun 9/28 | Partly sunny with a couple of showers, mainly later | 77°F | 52°F | |
| Mon 9/29 | Plenty of sunshine | 72°F | 52°F | |
| Tue 9/30 | Plenty of sunshine | 74°F | 50°F | |
| Wed 10/1 | Partly sunny | 70°F | 50°F | |
| Thu 10/2 | Mostly sunny | 72°F | 54°F | |
| Fri 10/3 | Cloudy most of the time | 72°F | 50°F | |
| Sat 10/4 | Sunny | 74°F | 50°F | |
| Sun 10/5 | Times of clouds and sun | 72°F | 48°F | |
| Mon 10/6 | Times of clouds and sun | 72°F | 48°F | |
| Tue 10/7 | Cloudy | 72°F | 48°F | |
| Wed 10/8 | Cloudy with a shower | 70°F | 50°F | |
| Thu 10/9 | Remaining cloudy; a morning shower in spots followed by a little rain in the afternoon | 72°F | 47°F | |
| Fri 10/10 | Mostly sunny | 63°F | 47°F | |
| Sat 10/11 | Mostly cloudy | 63°F | 47°F | |
| Sun 10/12 | Rain | 66°F | 48°F | |
| Mon 10/13 | Rather cloudy | 68°F | 48°F | |
| Tue 10/14 | Times of clouds and sun with a passing shower in the afternoon | 68°F | 48°F | |
| Wed 10/15 | Plenty of sunshine | 70°F | 47°F | |
| Thu 10/16 | Cloudy | 66°F | 45°F | |
| Fri 10/17 | Periods of rain | 61°F | 43°F | |
| Sat 10/18 | More sun than clouds | 56°F | 43°F | |
| Sun 10/19 | A blend of sun and clouds | 57°F | 43°F | |
| Mon 10/20 | Mostly sunny | 63°F | 43°F | |
| Tue 10/21 | Turning out cloudy | 65°F | 43°F | |
| Wed 10/22 | Sun and some clouds | 66°F | 43°F | |
| Thu 10/23 | Sun giving way to increasing clouds | 66°F | 45°F | |
| Fri 10/24 | A shower in the morning; otherwise, after a cloudy start, sun returns | 65°F | 43°F | |
| Sat 10/25 | Sunshine | 61°F | 43°F | |
| Sun 10/26 | Rain | 59°F | 41°F | |
| Mon 10/27 | Mostly cloudy | 54°F | 39°F | |
| Tue 10/28 | Mostly sunny | 52°F | 38°F | |
| Wed 10/29 | Increasing clouds | 52°F | 36°F | |
| Thu 10/30 | Cloudy | 52°F | 41°F | |
| Fri 10/31 | Rain at times | 54°F | 36°F | |
| Sat 11/1 | Remaining cloudy with a little rain in the afternoon | 54°F | 36°F |