| Today | Week | Month | Year | Rain Year | Since 2019 | ||
|---|---|---|---|---|---|---|---|
| AQI | 16 01:05:02 AM 9 07:16:09 AM |
33 10:17:07 PM (Sunday) 1 07:00:14 PM (Monday) |
61 10/09/2025 06:15:06 PM 0 10/02/2025 08:21:06 AM |
810 08/26/2025 12:24:47 PM 0 02/13/2025 01:47:42 AM |
61 10/09/2025 06:15:06 PM 0 10/02/2025 08:21:06 AM |
12 08/26/2025 12:24:47 PM 12 01/14/2020 01:20:00 AM |
|
| PM 2.5 | µg/m³ | 3 01:05:02 AM 2 07:16:09 AM |
6 10:17:07 PM (Sunday) 0 07:00:14 PM (Monday) |
14 10/09/2025 06:15:06 PM 0 10/02/2025 08:21:06 AM |
737 08/26/2025 12:24:47 PM 0 02/13/2025 01:47:42 AM |
14 10/09/2025 06:15:06 PM 0 10/02/2025 08:21:06 AM |
737 08/26/2025 12:24:47 PM 0 01/14/2020 01:20:00 AM |
| UV Index |
0.6 08:56:53 AM 0.0 12:00:04 AM |
5.5 12:42:45 PM (Sunday) 0.0 12:00:04 AM (Sunday) |
7.9 10/01/2025 01:08:50 PM 0.0 10/01/2025 12:00:02 AM |
11.9 07/22/2025 12:49:07 PM 0.0 01/01/2025 12:00:01 AM |
7.9 10/01/2025 01:08:50 PM 0.0 10/01/2025 12:00:02 AM |
12.5 06/05/2022 01:24:25 PM 0.0 09/05/2020 06:30:00 PM |
|
| Temperature | °F | 56.3 09:13:26 AM 54.9 02:30:42 AM |
73.5 02:15:32 PM (Sunday) 44.1 07:27:57 AM (Tuesday) |
86.4 10/06/2025 04:30:30 PM 44.1 10/14/2025 07:27:57 AM |
95.7 08/30/2025 04:43:12 PM 29.8 01/21/2025 07:13:18 AM |
86.4 10/06/2025 04:30:30 PM 44.1 10/14/2025 07:27:57 AM |
107.3 09/05/2022 03:38:37 PM 28.7 01/02/2022 07:01:48 AM |
| Rain | in | 0.00 | 0.65 | 1.00 | 6.88 | 1.00 | 81.69 |
| Rain Rate | in/h |
0.00 12:00:04 AM |
1.68 04:37:27 PM (Monday) |
1.68 10/13/2025 04:37:27 PM |
15.16 05/12/2025 07:48:31 AM |
1.68 10/13/2025 04:37:27 PM |
15.16 03/30/2024 07:08:21 PM |
| Wind Max |
mph ° |
9 156 07:29:21 AM |
12 220 05:19:44 PM (Sunday) |
16 233 10/08/2025 04:28:52 PM |
34 248 03/12/2025 03:10:00 PM |
16 233 10/08/2025 04:28:52 PM |
36 205 02/04/2024 03:30:00 PM |
| Wind Average | mph | 0 | 1 | 1 | 2 | 1 | 2 |
| Wind RMS | mph | 1 | 1 | 2 | 3 | 2 | 3 |
|
Vector Average Average Direction |
mph ° |
0 173 |
0 308 |
0 360 |
1 11 |
0 360 |
1 353 |
| Radiation | W/m² |
67 09:01:05 AM 0 12:00:04 AM |
657 11:06:34 AM (Monday) 0 12:00:04 AM (Sunday) |
1013 10/03/2025 12:56:54 PM 0 10/01/2025 12:00:02 AM |
1042 03/17/2025 01:53:33 PM 0 01/01/2025 12:00:01 AM |
1013 10/03/2025 12:56:54 PM 0 10/01/2025 12:00:02 AM |
1420 06/17/2022 11:45:40 AM 0 09/05/2020 07:35:00 PM |
| Barometer | inHg | 30.086 09:18:59 AM 29.970 12:00:05 AM |
30.086 09:18:59 AM (Wednesday) 29.561 03:41:01 PM (Monday) |
30.091 10/03/2025 12:16:00 PM 29.561 10/13/2025 03:41:01 PM |
30.561 01/21/2025 10:50:00 AM 29.510 02/13/2025 05:52:59 AM |
30.091 10/03/2025 12:16:00 PM 29.561 10/13/2025 03:41:01 PM |
30.609 01/05/2020 10:45:00 AM 29.176 03/21/2023 01:34:00 PM |
| Dew Point | °F | 52.2 01:23:10 AM 49.0 07:41:21 AM |
57.0 03:11:47 PM (Monday) 42.2 07:27:57 AM (Tuesday) |
62.7 10/02/2025 08:43:18 AM 42.2 10/14/2025 07:27:57 AM |
67.2 09/14/2025 03:39:37 PM 21.8 02/10/2025 02:33:59 PM |
62.7 10/02/2025 08:43:18 AM 42.2 10/14/2025 07:27:57 AM |
73.8 08/16/2020 10:35:00 AM 7.0 10/26/2020 02:15:00 PM |
| Humidity | % | 89 02:07:44 AM 78 07:30:37 AM |
95 08:12:21 AM (Tuesday) 38 01:42:35 PM (Sunday) |
95 10/14/2025 08:12:21 AM 29 10/06/2025 02:13:27 PM |
96 01/04/2025 05:33:21 AM 20 05/05/2025 03:14:06 PM |
95 10/14/2025 08:12:21 AM 29 10/06/2025 02:13:27 PM |
100 02/16/2019 02:50:00 AM 8 10/26/2020 02:00:00 PM |
| Heat Index | °F | 55.5 01:11:16 AM |
72.7 03:09:06 PM (Sunday) |
85.0 10/07/2025 01:16:11 PM |
94.4 09/23/2025 02:05:17 PM |
85.0 10/07/2025 01:16:11 PM |
112.5 08/16/2020 02:05:00 PM |
| Wind Chill | °F | 54.9 02:30:42 AM |
44.1 07:27:57 AM (Tuesday) |
44.1 10/14/2025 07:27:57 AM |
29.8 01/21/2025 07:13:18 AM |
44.1 10/14/2025 07:27:57 AM |
25.7 01/31/2023 06:06:21 AM |
| ET | in | 0.00 09:00:00 AM 0.00 12:05:00 AM |
0.02 02:00:00 PM (Sunday) 0.00 12:05:00 AM (Sunday) |
0.02 10/06/2025 02:00:00 PM 0.00 10/01/2025 12:05:00 AM |
0.03 05/30/2025 02:00:00 PM 0.00 01/01/2025 12:05:00 AM |
0.02 10/06/2025 02:00:00 PM 0.00 10/01/2025 12:05:00 AM |
0.03 06/16/2021 02:00:00 PM 0.00 09/05/2020 12:20:00 PM |
PaloAltoWeather.com ©2019-2025 by John A Kline.
Contact: weatherman@paloaltoweather.com
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