|
Palo Alto Weather Highs and LowsWeather • Air Quality • Seismic Activity PaloAltoWeather.com |
|
|
Palo Alto Weather Highs and LowsWeather • Air Quality • Seismic Activity PaloAltoWeather.com |
| Today | Week | Month | Year | Rain Year | Since 2019 | ||
|---|---|---|---|---|---|---|---|
| Temperature | °F | 92.1 01:55:11 PM 59.8 06:15:06 AM |
92.1 01:55:11 PM (Tuesday) 59.8 06:15:06 AM (Tuesday) |
92.1 07/14/2026 01:55:11 PM 52.2 07/01/2026 05:59:32 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 | 67.7 10:36:44 AM 56.4 01:04:15 PM |
67.7 10:36:44 AM (Tuesday) 55.2 04:15:00 AM (Sunday) |
67.7 07/14/2026 10:36:44 AM 47.9 07/01/2026 03:45:40 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 | 29.989 09:19:00 AM 29.931 04:21:01 PM |
29.989 09:19:00 AM (Tuesday) 29.889 04:00:00 AM (Monday) |
30.116 07/08/2026 09:35:59 AM 29.840 07/01/2026 06:05:02 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 | 45 10:40:52 AM 21 06:01:18 AM |
45 10:40:52 AM (Tuesday) 11 12:15:00 AM (Sunday) |
69 07/05/2026 12:37:26 AM 6 07/11/2026 03:48:47 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 |
311 08/26/2025 12:24:47 PM 0 01/14/2020 01:20:00 AM |
|
| PM 2.5 | µg/m³ | 8 10:40:52 AM 4 06:01:18 AM |
8 10:40:52 AM (Tuesday) 2 12:15:00 AM (Sunday) |
19 07/05/2026 12:37:26 AM 1 07/11/2026 03:48:47 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 |
9.6 01:09:17 PM 0.0 12:00:01 AM |
9.8 12:50:00 PM (Sunday) 0.0 12:05:00 AM (Sunday) |
10.5 07/11/2026 01:54:01 PM 0.0 07/01/2026 12:00:01 AM |
10.8 06/26/2026 12:12:14 PM 0.0 01/01/2026 12:00:01 AM |
10.8 06/26/2026 12:12:14 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 |
814 01:17:51 PM 0 12:00:01 AM |
898 11:10:00 AM (Sunday) 0 12:05:00 AM (Sunday) |
1039 07/07/2026 10:58:42 AM 0 07/01/2026 12:00:01 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 | 538 06:24:34 AM 455 12:18:41 AM |
538 06:24:34 AM (Tuesday) 418 07:55:00 AM (Sunday) |
538 07/14/2026 06:24:34 AM 345 07/03/2026 12:58:10 AM |
861 01/13/2026 06:05:33 PM 227 01/25/2026 12:39:01 PM |
861 01/13/2026 06:05:33 PM 227 01/25/2026 12:39:01 PM |
861 01/13/2026 06:05:33 PM 227 01/25/2026 12:39:01 PM |
| 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 12:05:00 AM (Sunday) |
0.00 07/01/2026 12:00:01 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 ° |
8 328 02:10:37 PM |
8 328 02:10:37 PM (Tuesday) |
10 234 07/01/2026 04:32:10 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 | 0 | 1 | 1 | 1 | 2 |
| Wind RMS | mph | 1 | 1 | 1 | 2 | 2 | 2 |
|
Vector Average Average Direction |
mph ° |
1 30 |
0 26 |
1 16 |
0 16 |
0 20 |
1 354 |
| Humidity | % | 92 07:17:00 AM 32 01:03:31 PM |
92 07:17:00 AM (Tuesday) 32 01:03:31 PM (Tuesday) |
92 07/14/2026 07:17:00 AM 32 07/14/2026 01:03:31 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 | 91.7 02:01:29 PM |
91.7 02:01:29 PM (Tuesday) |
91.7 07/14/2026 02:01:29 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 | 59.8 06:15:06 AM |
59.8 06:15:06 AM (Tuesday) |
52.2 07/01/2026 05:59:32 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 | 0.03 02:00:00 PM 0.00 12:05:00 AM |
0.03 02:00:00 PM (Tuesday) 0.00 12:05:00 AM (Sunday) |
0.03 07/14/2026 02:00:00 PM 0.00 07/01/2026 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 |
PaloAltoWeather.com ©2019-2026 by John A Kline.
Contact: weatherman@paloaltoweather.com
Don't use this information to make consequential decisions.
Double check information before relying on it!