Past Weather in Siena — Graph
Siena Temperature Yesterday
Maximum temperature yesterday: 58 °F (at 1:00 pm)
Minimum temperature yesterday: 34 °F (at 4:00 am)
Average temperature yesterday: 48 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 66 °F (Mar 16, 1:00 pm) | 97% (Mar 14, 10:00 am) | 30.33 "Hg (Mar 14, 10:00 am) |
| Low | 29 °F (Mar 21, 7:00 am) | 27% (Mar 17, 4:00 pm) | 29.57 "Hg (Mar 15, 4:00 am) |
| Average | 50 °F | 70% | 30.07 "Hg |
| * Reported Mar 6 2:00 pm — Mar 21 2:00 pm, Siena. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Siena Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 2:00 pm Sat, Mar 21 |  | 57 °F | Refreshingly cool. | 20 mph | ↑ | 35% | 29.88 "Hg | N/A |
| 1:00 pm | | 58 °F | Refreshingly cool. | 22 mph | ↑ | 35% | 29.89 "Hg | N/A |
| 11:00 am | | 53 °F | Cool. | N/A | ↑ | 51% | 29.93 "Hg | N/A |
| 10:00 am | | 50 °F | Cool. | N/A | ↑ | 59% | 29.95 "Hg | N/A |
| 8:00 am | | 36 °F | Chilly. | N/A | ↑ | 85% | 29.99 "Hg | N/A |
| 7:00 am | | 29 °F | Chilly. | N/A | ↑ | 89% | 30.01 "Hg | N/A |
| 4:00 am | | 30 °F | Chilly. | N/A | ↑ | 84% | 30.01 "Hg | N/A |
| 3:00 am | | 31 °F | Chilly. | 4 mph | ↑ | 85% | 30.01 "Hg | N/A |
| 2:00 am | | 32 °F | Chilly. | N/A | ↑ | 84% | 30.02 "Hg | N/A |
| 1:00 am | | 32 °F | Chilly. | N/A | ↑ | 83% | 30.02 "Hg | N/A |
| 10:00 pm Fri, Mar 20 | | 38 °F | Chilly. | N/A | ↑ | 70% | 30.02 "Hg | N/A |
| 7:00 pm | | 50 °F | Cool. | 11 mph | ↑ | 41% | 29.98 "Hg | N/A |
| 5:00 pm | | 55 °F | Refreshingly cool. | 27 mph | ↑ | 32% | 29.95 "Hg | N/A |
| 4:00 pm | | 57 °F | Refreshingly cool. | 18 mph | ↑ | 33% | 29.94 "Hg | N/A |
| Weather by CustomWeather, © 2026 | ||||||||