| Today | Week | Month | Year | Rain Year | Since 2019 | ||
|---|---|---|---|---|---|---|---|
| AQI | 71 10:59:07 AM 16 04:38:30 AM |
810 12:24:47 PM (Tuesday) 11 05:17:58 AM (Sunday) |
810 08/26/2025 12:24:47 PM 4 08/13/2025 11:10:00 PM |
810 08/26/2025 12:24:47 PM 0 02/13/2025 01:47:42 AM |
810 08/26/2025 12:24:47 PM 0 11/22/2024 06:48:09 PM |
12 08/26/2025 12:24:47 PM 12 01/14/2020 01:20:00 AM |
|
| PM 2.5 | µg/m³ | 20 10:59:07 AM 3 04:38:30 AM |
737 12:24:47 PM (Tuesday) 2 05:17:58 AM (Sunday) |
737 08/26/2025 12:24:47 PM 1 08/13/2025 11:10:00 PM |
737 08/26/2025 12:24:47 PM 0 02/13/2025 01:47:42 AM |
737 08/26/2025 12:24:47 PM 0 11/22/2024 06:48:09 PM |
737 08/26/2025 12:24:47 PM 0 01/14/2020 01:20:00 AM |
| UV Index |
7.3 12:43:51 PM 0.0 12:00:04 AM |
8.2 01:06:28 PM (Monday) 0.0 12:00:01 AM (Sunday) |
9.4 08/07/2025 12:22:31 PM 0.0 08/01/2025 12:00:05 AM |
11.9 07/22/2025 12:49:07 PM 0.0 01/01/2025 12:00:01 AM |
11.9 07/22/2025 12:49:07 PM 0.0 10/01/2024 12:00:04 AM |
12.5 06/05/2022 01:24:25 PM 0.0 09/05/2020 06:30:00 PM |
|
| Temperature | °F | 71.1 12:30:25 PM 55.2 06:49:53 AM |
79.6 03:49:09 PM (Thursday) 55.2 06:49:53 AM (Friday) |
89.8 08/21/2025 02:04:38 PM 52.7 08/19/2025 06:58:52 AM |
89.8 08/21/2025 02:04:38 PM 29.8 01/21/2025 07:13:18 AM |
101.1 10/06/2024 02:45:29 PM 29.8 01/21/2025 07:13:18 AM |
107.3 09/05/2022 03:38:37 PM 28.7 01/02/2022 07:01:48 AM |
| Rain | in | 0.00 | 0.00 | 0.00 | 5.84 | 10.66 | 80.65 |
| Rain Rate | in/h |
0.00 12:00:04 AM |
0.00 12:00:01 AM (Sunday) |
0.00 08/01/2025 12:00:05 AM |
15.16 05/12/2025 07:48:31 AM |
15.16 11/11/2024 10:11:31 AM |
15.16 03/30/2024 07:08:21 PM |
| Wind Max |
mph ° |
11 4 12:16:27 PM |
17 25 04:31:13 PM (Monday) |
19 34 08/13/2025 03:13:21 PM |
34 248 03/12/2025 03:10:00 PM |
34 248 03/12/2025 03:10:00 PM |
36 205 02/04/2024 03:30:00 PM |
| Wind Average | mph | 1 | 2 | 2 | 2 | 2 | 2 |
| Wind RMS | mph | 2 | 3 | 3 | 3 | 3 | 3 |
|
Vector Average Average Direction |
mph ° |
0 23 |
2 31 |
2 22 |
1 10 |
1 9 |
1 352 |
| Radiation | W/m² |
742 12:43:39 PM 0 12:00:04 AM |
826 12:13:09 PM (Tuesday) 0 12:00:01 AM (Sunday) |
956 08/16/2025 02:21:01 PM 0 08/01/2025 12:00:05 AM |
1042 03/17/2025 01:53:33 PM 0 01/01/2025 12:00:01 AM |
1042 03/17/2025 01:53:33 PM 0 10/01/2024 12:00:04 AM |
1420 06/17/2022 11:45:40 AM 0 09/05/2020 07:35:00 PM |
| Barometer | inHg | 30.120 09:42:59 AM 30.037 01:40:58 AM |
30.120 09:42:59 AM (Friday) 29.850 05:21:01 PM (Monday) |
30.196 08/02/2025 09:00:01 AM 29.828 08/22/2025 05:19:03 PM |
30.561 01/21/2025 10:50:00 AM 29.510 02/13/2025 05:52:59 AM |
30.561 01/21/2025 10:50:00 AM 29.510 02/13/2025 05:52:59 AM |
30.609 01/05/2020 10:45:00 AM 29.176 03/21/2023 01:34:00 PM |
| Dew Point | °F | 60.8 12:08:01 PM 52.6 06:49:53 AM |
63.8 01:22:16 PM (Monday) 52.0 04:50:57 AM (Thursday) |
67.1 08/16/2025 04:21:47 PM 46.0 08/03/2025 05:48:59 PM |
67.1 08/16/2025 04:21:47 PM 21.8 02/10/2025 02:33:59 PM |
67.1 08/16/2025 04:21:47 PM 21.8 02/10/2025 02:33:59 PM |
73.8 08/16/2020 10:35:00 AM 7.0 10/26/2020 02:15:00 PM |
| Humidity | % | 92 06:56:49 AM 69 10:49:35 AM |
92 07:26:56 AM (Wednesday) 53 03:50:19 PM (Thursday) |
93 08/03/2025 06:00:21 AM 31 08/03/2025 05:18:29 PM |
96 01/04/2025 05:33:21 AM 20 05/05/2025 03:14:06 PM |
96 12/18/2024 06:44:07 AM 14 10/19/2024 02:53:49 PM |
100 02/16/2019 02:50:00 AM 8 10/26/2020 02:00:00 PM |
| Heat Index | °F | 71.2 12:30:25 PM |
79.8 03:49:09 PM (Thursday) |
89.6 08/20/2025 05:33:51 PM |
89.6 08/20/2025 05:33:51 PM |
98.5 10/06/2024 02:46:09 PM |
112.5 08/16/2020 02:05:00 PM |
| Wind Chill | °F | 55.2 06:49:53 AM |
55.2 06:49:53 AM (Friday) |
52.7 08/19/2025 06:58:52 AM |
29.8 01/21/2025 07:13:18 AM |
29.8 01/21/2025 07:13:18 AM |
25.7 01/31/2023 06:06:21 AM |
| ET | in | 0.02 12:00:00 PM 0.00 12:05:00 AM |
0.02 02:00:00 PM (Wednesday) 0.00 12:05:00 AM (Sunday) |
0.03 08/04/2025 02:00:00 PM 0.00 08/01/2025 12:05:00 AM |
0.03 05/30/2025 02:00:00 PM 0.00 01/01/2025 12:05:00 AM |
0.03 05/30/2025 02:00:00 PM 0.00 10/01/2024 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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