| Today | Week | Month | Year | Rain Year | Since 2019 | ||
|---|---|---|---|---|---|---|---|
| Temperature | °F | 71.7 03:34:52 PM 50.8 05:20:27 AM |
77.5 04:35:07 PM (Sunday) 49.7 01:41:48 AM (Wednesday) |
89.6 05/19/2026 04:38:45 PM 47.0 05/04/2026 06:34:29 AM |
92.7 03/20/2026 03:47:06 PM 31.5 01/10/2026 07:01:47 AM |
92.7 03/20/2026 03:47:06 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 | 57.2 03:17:32 PM 48.0 05:20:27 AM |
58.5 04:13:25 PM (Sunday) 45.5 01:05:24 AM (Wednesday) |
61.1 05/21/2026 11:15:51 AM 30.5 05/17/2026 07:53:20 PM |
66.5 03/20/2026 02:15:02 PM 18.7 03/24/2026 10:13:15 PM |
66.5 03/20/2026 02:15:02 PM 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 | 30.141 11:45:00 AM 30.081 03:30:00 PM |
30.141 11:45:00 AM (Saturday) 29.753 04:04:00 AM (Wednesday) |
30.155 05/06/2026 09:03:01 AM 29.753 05/27/2026 04:04:00 AM |
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 | 92 11:45:50 AM 4 05:25:27 AM |
92 11:45:50 AM (Saturday) 3 05:06:16 AM (Tuesday) |
92 05/30/2026 11:45:50 AM 3 05/26/2026 05:06:16 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 | 31 11:45:50 AM 1 05:25:27 AM |
31 11:45:50 AM (Saturday) 1 05:06:16 AM (Tuesday) |
31 05/30/2026 11:45:50 AM 1 05/26/2026 05:06:16 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 |
8.5 12:54:22 PM 0.0 12:00:04 AM |
9.6 12:21:34 PM (Monday) 0.0 12:00:01 AM (Sunday) |
9.6 05/25/2026 12:21:34 PM 0.0 05/01/2026 12:00:05 AM |
9.7 04/22/2026 01:17:00 PM 0.0 01/01/2026 12:00:01 AM |
9.7 04/22/2026 01:17:00 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 |
847 01:11:40 PM 0 12:00:04 AM |
1187 12:22:16 PM (Monday) 0 12:00:01 AM (Sunday) |
1187 05/25/2026 12:22:16 PM 0 05/01/2026 12:00:05 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 | 449 05:27:11 AM 412 12:41:36 AM |
495 07:19:03 AM (Wednesday) 363 09:51:42 PM (Sunday) |
557 05/04/2026 03:30:39 AM 285 05/10/2026 01:42:42 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 | 0.20 | 0.20 | 8.56 | 14.71 | 95.40 |
| Rain Rate | in/h |
0.00 12:00:04 AM |
0.11 04:22:38 AM (Thursday) |
0.11 05/28/2026 04:22:38 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 ° |
11 345 02:46:34 PM |
17 225 04:20:00 PM (Monday) |
17 225 05/25/2026 04:20:00 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 | 2 | 2 | 2 | 2 | 2 |
|
Vector Average Average Direction |
mph ° |
1 32 |
0 318 |
1 13 |
0 18 |
0 23 |
1 354 |
| Humidity | % | 91 05:43:19 AM 58 02:07:20 PM |
91 08:00:10 AM (Thursday) 43 04:34:33 PM (Sunday) |
93 05/11/2026 06:46:44 AM 16 05/18/2026 04:54:01 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 | 71.3 03:34:52 PM |
77.0 04:35:07 PM (Sunday) |
86.0 05/19/2026 04:42:01 PM |
92.3 03/20/2026 02:15:02 PM |
92.3 03/20/2026 02:15:02 PM |
112.5 08/16/2020 02:05:00 PM |
| Wind Chill | °F | 50.8 05:20:27 AM |
49.7 01:41:48 AM (Wednesday) |
47.0 05/04/2026 06:34:29 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 02:00:00 PM 0.00 12:05:00 AM |
0.02 01:00:00 PM (Monday) 0.00 12:05:00 AM (Sunday) |
0.03 05/18/2026 02:00:00 PM 0.00 05/01/2026 12:05:00 AM |
0.03 05/18/2026 02:00:00 PM 0.00 01/01/2026 12:05:00 AM |
0.03 05/18/2026 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 |
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Contact: weatherman@paloaltoweather.com
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