| Today | Week | Month | Year | Rain Year | Since 2019 | ||
|---|---|---|---|---|---|---|---|
| Temperature | °F | 58.1 03:19:45 PM 34.5 06:06:34 AM |
62.1 02:46:39 PM (Wednesday) 34.5 06:06:34 AM (Friday) |
65.1 12/03/2025 02:43:55 PM 34.5 12/12/2025 06:06:34 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 34.5 12/12/2025 06:06:34 AM |
107.3 09/05/2022 03:38:37 PM 28.7 01/02/2022 07:01:48 AM |
| Dew Point | °F | 46.9 01:29:41 PM 33.0 06:06:34 AM |
51.3 02:59:57 PM (Wednesday) 33.0 06:06:34 AM (Friday) |
51.3 12/10/2025 02:59:57 PM 33.0 12/12/2025 06:06:34 AM |
67.2 09/14/2025 03:39:37 PM 21.8 02/10/2025 02:33:59 PM |
65.1 11/10/2025 12:46:16 PM 33.0 12/12/2025 06:06:34 AM |
73.8 08/16/2020 10:35:00 AM 7.0 10/26/2020 02:15:00 PM |
| Barometer | inHg | 30.124 09:39:00 AM 30.009 03:39:01 PM |
30.369 09:30:00 AM (Monday) 30.009 03:39:01 PM (Friday) |
30.369 12/08/2025 09:30:00 AM 29.992 12/02/2025 05:46:02 PM |
30.561 01/21/2025 10:50:00 AM 29.510 02/13/2025 05:52:59 AM |
30.369 12/08/2025 09:30:00 AM 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 |
| AQI | 66 02:21:45 AM 27 10:29:40 AM |
91 08:14:34 PM (Sunday) 27 10:29:40 AM (Friday) |
130 12/06/2025 07:11:34 PM 8 12/04/2025 06:29:11 AM |
810 08/26/2025 12:24:47 PM 0 02/13/2025 01:47:42 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 | 17 02:21:45 AM 5 10:29:40 AM |
31 08:14:34 PM (Sunday) 5 10:29:40 AM (Friday) |
47 12/06/2025 07:11:34 PM 2 12/04/2025 06:29:11 AM |
737 08/26/2025 12:24:47 PM 0 02/13/2025 01:47:42 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 |
2.7 11:35:52 AM 0.0 12:00:01 AM |
3.0 11:58:06 AM (Wednesday) 0.0 12:00:01 AM (Sunday) |
3.1 12/03/2025 11:39:37 AM 0.0 12/01/2025 12:00:04 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 |
|
| Radiation | W/m² |
420 11:50:34 AM 0 12:00:01 AM |
533 10:53:30 AM (Monday) 0 12:00:01 AM (Sunday) |
547 12/03/2025 11:39:25 AM 0 12/01/2025 12:00:04 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 |
| CO2 | ppm | 612 06:17:32 AM 405 10:23:06 AM |
710 01:04:13 AM (Thursday) 236 05:57:43 AM (Monday) |
710 12/11/2025 01:04:13 AM 236 12/08/2025 05:57:43 AM |
710 12/11/2025 01:04:13 AM 236 12/08/2025 05:57:43 AM |
710 12/11/2025 01:04:13 AM 236 12/08/2025 05:57:43 AM |
710 12/11/2025 01:04:13 AM 236 12/08/2025 05:57:43 AM |
| Rain | in | 0.00 | 0.02 | 0.03 | 9.67 | 3.79 | 84.48 |
| Rain Rate | in/h |
0.00 12:00:01 AM |
0.00 12:00:01 AM (Sunday) |
0.00 12/01/2025 12:00:04 AM |
15.16 05/12/2025 07:48:31 AM |
14.77 11/17/2025 01:04:48 AM |
15.16 03/30/2024 07:08:21 PM |
| Wind Max |
mph ° |
8 46 10:24:38 AM |
10 47 02:46:26 PM (Tuesday) |
14 32 12/01/2025 09:04:07 AM |
34 248 03/12/2025 03:10:00 PM |
20 176 11/05/2025 02:06:05 AM |
36 205 02/04/2024 03:30:00 PM |
| Wind Average | mph | 1 | 1 | 1 | 2 | 1 | 2 |
| Wind RMS | mph | 1 | 1 | 2 | 3 | 2 | 3 |
|
Vector Average Average Direction |
mph ° |
0 42 |
1 25 |
1 32 |
1 12 |
0 26 |
1 353 |
| Humidity | % | 96 07:32:58 AM 64 03:20:13 PM |
96 07:47:20 AM (Wednesday) 64 03:08:39 PM (Monday) |
96 12/10/2025 07:47:20 AM 36 12/03/2025 02:35:49 PM |
97 11/21/2025 08:43:32 AM 20 05/05/2025 03:14:06 PM |
97 11/21/2025 08:43:32 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 | 56.7 03:19:45 PM |
61.2 02:46:39 PM (Wednesday) |
63.0 12/03/2025 02:43:55 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 | 34.5 06:06:34 AM |
34.5 06:06:34 AM (Friday) |
33.6 12/04/2025 04:32:39 AM |
29.8 01/21/2025 07:13:18 AM |
33.6 12/04/2025 04:32:39 AM |
25.7 01/31/2023 06:06:21 AM |
| ET | in | 0.01 01:00:00 PM 0.00 12:05:00 AM |
0.01 12:00:00 PM (Wednesday) 0.00 12:05:00 AM (Sunday) |
0.01 12/02/2025 01:00:00 PM 0.00 12/01/2025 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
Don't use this information to make consequential decisions.
Double check information before relying on it!
