| PALO ALTO WEATHER.com |
Highs and LowsWeather • Air Quality • Seismic Activity |
| Today | Week | Month | Year | Rain Year | Since 2019 | ||
|---|---|---|---|---|---|---|---|
| Temperature | °F | 73.9 02:04:39 PM 61.6 03:43:55 AM |
84.7 02:57:06 PM (Sunday) 55.8 06:47:59 AM (Sunday) |
86.4 08/02/2026 03:24:41 PM 54.2 08/22/2026 07:00:00 AM |
100.2 06/11/2026 02:01:42 PM 31.5 01/10/2026 07:01:47 AM |
100.2 06/11/2026 02:01:42 PM 31.5 01/10/2026 07:01:47 AM |
107.3 09/05/2022 03:38:37 PM 28.7 01/02/2022 07:01:48 AM |
| Dew Point | °F | 62.5 02:03:05 PM 57.1 01:58:13 AM |
66.6 10:50:09 AM (Thursday) 53.2 06:47:59 AM (Sunday) |
66.6 08/27/2026 10:50:09 AM 51.0 08/22/2026 07:00:00 AM |
67.7 07/14/2026 10:36:44 AM 18.7 03/24/2026 10:13:15 PM |
67.7 07/14/2026 10:36:44 AM 18.7 03/24/2026 10:13:15 PM |
73.8 08/16/2020 10:35:00 AM 7.0 10/26/2020 02:15:00 PM |
| Barometer | inHg | 30.040 12:39:00 PM 29.927 05:51:59 AM |
30.076 10:48:00 AM (Tuesday) 29.861 04:45:00 PM (Sunday) |
30.159 08/15/2026 11:58:01 AM 29.733 08/03/2026 05:50:01 PM |
30.526 01/10/2026 11:05:01 AM 29.554 02/16/2026 11:46:01 AM |
30.526 01/10/2026 11:05:01 AM 29.481 12/24/2025 02:40:59 AM |
30.609 01/05/2020 10:45:00 AM 29.176 03/21/2023 01:34:00 PM |
| AQI | 25 07:26:58 AM 8 12:53:52 PM |
43 09:32:56 PM (Thursday) 6 01:14:29 AM (Tuesday) |
73 08/03/2026 03:47:21 AM 5 08/21/2026 01:13:30 AM |
127 01/24/2026 08:15:15 PM 0 01/04/2026 02:57:37 AM |
174 10/18/2025 08:46:13 PM 0 10/02/2025 08:21:06 AM |
320 08/26/2025 12:24:47 PM 0 01/14/2020 01:20:00 AM |
|
| PM 2.5 | µg/m³ | 5 07:26:58 AM 1 12:53:52 PM |
8 09:32:56 PM (Thursday) 1 01:14:29 AM (Tuesday) |
21 08/03/2026 03:47:21 AM 1 08/21/2026 01:13:30 AM |
46 01/24/2026 08:15:15 PM 0 01/04/2026 02:57:37 AM |
89 10/18/2025 08:46:13 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 |
8.7 01:37:19 PM 0.0 12:00:01 AM |
10.2 01:16:26 PM (Tuesday) 0.0 12:00:04 AM (Sunday) |
10.2 08/25/2026 01:16:26 PM 0.0 08/01/2026 12:00:02 AM |
12.1 07/20/2026 02:05:56 PM 0.0 01/01/2026 12:00:01 AM |
12.1 07/20/2026 02:05:56 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 |
|
| Radiation | W/m² |
923 02:14:47 PM 0 12:00:01 AM |
1058 12:57:52 PM (Tuesday) 0 12:00:04 AM (Sunday) |
1058 08/25/2026 12:57:52 PM 0 08/01/2026 12:00:02 AM |
1187 05/25/2026 12:22:16 PM 0 01/01/2026 12:00:01 AM |
1187 05/25/2026 12:22:16 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 |
| CO2 | ppm | 511 09:11:32 AM 411 05:22:13 PM |
579 07:00:13 AM (Sunday) 328 02:11:43 PM (Tuesday) |
579 08/23/2026 07:00:13 AM 154 08/10/2026 07:51:43 AM |
861 01/13/2026 06:05:33 PM 154 08/10/2026 07:51:43 AM |
861 01/13/2026 06:05:33 PM 154 08/10/2026 07:51:43 AM |
861 01/13/2026 06:05:33 PM 154 08/10/2026 07:51:43 AM |
| Rain | in | 0.00 | 0.00 | 0.00 | 8.56 | 14.71 | 95.40 |
| Rain Rate | in/h |
0.00 12:00:01 AM |
0.00 12:00:04 AM (Sunday) |
0.00 08/01/2026 12:00:02 AM |
1.55 04/12/2026 09:41:45 AM |
14.77 11/17/2025 01:04:48 AM |
15.16 03/30/2024 07:08:21 PM |
| Wind Max |
mph ° |
7 44 02:25:17 PM |
9 39 03:44:26 PM (Wednesday) |
14 240 08/13/2026 04:15:33 PM |
23 0 02/19/2026 03:50:00 PM |
27 205 12/25/2025 12:15:52 AM |
36 205 02/04/2024 03:30:00 PM |
| Wind Average | mph | 1 | 1 | 1 | 1 | 1 | 2 |
| Wind RMS | mph | 1 | 1 | 1 | 2 | 2 | 2 |
|
Vector Average Average Direction |
mph ° |
1 30 |
1 30 |
1 17 |
1 17 |
0 20 |
1 354 |
| Humidity | % | 88 06:38:32 AM 66 02:04:47 PM |
93 07:54:17 AM (Sunday) 39 03:32:40 PM (Wednesday) |
93 08/02/2026 07:32:20 AM 39 08/26/2026 03:32:40 PM |
97 01/07/2026 08:37:30 AM 15 03/28/2026 03:05:33 PM |
97 11/21/2025 08:43:32 AM 15 03/28/2026 03:05:33 PM |
100 02/16/2019 02:50:00 AM 8 10/26/2020 02:00:00 PM |
| Heat Index | °F | 74.1 02:04:39 PM |
86.4 03:58:22 PM (Sunday) |
86.5 08/03/2026 02:09:00 PM |
96.8 06/11/2026 03:17:46 PM |
96.8 06/11/2026 03:17:46 PM |
112.5 08/16/2020 02:05:00 PM |
| Wind Chill | °F | 61.6 03:43:55 AM |
55.8 06:47:59 AM (Sunday) |
54.2 08/22/2026 07:00:00 AM |
31.5 01/10/2026 07:01:47 AM |
31.5 01/10/2026 07:01:47 AM |
25.7 01/31/2023 06:06:21 AM |
| ET | in | 0.02 03:00:00 PM 0.00 12:05:00 AM |
0.02 02:00:00 PM (Sunday) 0.00 12:05:00 AM (Sunday) |
0.03 08/02/2026 02:00:00 PM 0.00 08/01/2026 12:05:00 AM |
0.03 06/11/2026 01:00:00 PM 0.00 01/01/2026 12:05:00 AM |
0.03 06/11/2026 01:00:00 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 |
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