Lowell, MA
Weekly, Monthly, Yearly Weather Summary
09-18-2026 06:00 AM
This Week
|
High Temperature Low Temperature |
82.1°F at 03:00:28 PM (Thursday) 46.5°F at 06:43:47 AM (Tuesday) |
| Mean Temperature | 65.5°F |
| High Heat Index | 86.0°F at 03:00:28 PM (Thursday) |
| Low Wind Chill | 46.5°F at 06:43:47 AM (Tuesday) |
|
High Humidity Low Humidity |
97% at 09:47:43 PM (Sunday) 41% at 02:13:26 PM (Monday) |
| Mean Humidity | 80% |
|
High Dewpoint Low Dewpoint |
70.2°F at 02:57:14 PM (Thursday) 44.6°F at 06:43:47 AM (Tuesday) |
| Mean Dewpoint | 58.5°F |
|
High Barometer Low Barometer |
30.41 inHg at 10:50:02 AM (Tuesday) 29.77 inHg at 02:06:01 AM (Monday) |
| Mean Barometer | 30.13 inHg |
| Rain Total | 1.34 in |
| High Rain Rate | 1.89 in/hr at 10:00:06 AM (Sunday) |
| High Wind Speed | 19 mph from 17° at 10:27:14 AM (Monday) |
| Average Wind | 1 mph |
| RMS Wind | 2 mph |
|
Vector Average Speed Vector Average Direction |
0 mph 282° |
|
High Inside Temperature Low Inside Temperature |
79.2°F at 11:10:01 PM (Thursday) 72.1°F at 08:28:59 AM (Wednesday) |
Last Week
|
High Temperature Low Temperature |
86.4°F at 03:19:37 PM (Thursday) 49.2°F at 07:01:32 AM (Saturday) |
| Mean Temperature | 67.1°F |
| High Heat Index | 87.7°F at 02:22:33 PM (Thursday) |
| Low Wind Chill | 49.2°F at 07:01:32 AM (Saturday) |
|
High Humidity Low Humidity |
95% at 03:21:34 AM (Sunday) 35% at 05:04:45 PM (Friday) |
| Mean Humidity | 70% |
|
High Dewpoint Low Dewpoint |
69.0°F at 09:17:06 AM (Thursday) 45.4°F at 05:05:59 PM (Friday) |
| Mean Dewpoint | 56.2°F |
|
High Barometer Low Barometer |
30.27 inHg at 08:24:02 AM (Wednesday) 29.70 inHg at 03:12:03 PM (Thursday) |
| Mean Barometer | 30.01 inHg |
| Rain Total | 0.31 in |
| High Rain Rate | 1.15 in/hr at 12:44:05 PM (Sunday) |
| High Wind Speed | 18 mph from 169° at 02:20:25 AM (Thursday) |
| Average Wind | 2 mph |
| RMS Wind | 2 mph |
|
Vector Average Speed Vector Average Direction |
1 mph 298° |
|
High Inside Temperature Low Inside Temperature |
79.5°F at 10:17:02 PM (Tuesday) 71.6°F at 08:48:00 AM (Saturday) |
This Month
|
High Temperature Low Temperature |
86.4°F at 03:19 PM on 09-10-2026 46.5°F at 06:43 AM on 09-15-2026 |
| Mean Temperature | 66.8°F |
| High Heat Index | 87.7°F at 02:22 PM on 09-10-2026 |
| Low Wind Chill | 46.5°F at 06:43 AM on 09-15-2026 |
|
High Humidity Low Humidity |
97% at 08:33 AM on 09-04-2026 35% at 05:04 PM on 09-11-2026 |
| Mean Humidity | 77% |
|
High Dewpoint Low Dewpoint |
70.2°F at 02:57 PM on 09-17-2026 44.6°F at 06:43 AM on 09-15-2026 |
| Mean Dewpoint | 58.5°F |
|
High Barometer Low Barometer |
30.41 inHg at 10:50 AM on 09-15-2026 29.70 inHg at 03:12 PM on 09-10-2026 |
| Mean Barometer | 30.03 inHg |
| Rain Total | 2.20 in |
| High Rain Rate | 1.89 in/hr at 10:00 AM on 09-13-2026 |
| High Wind Speed | 19 mph from 17° at 10:27 AM on 09-14-2026 |
| Average Wind | 1 mph |
| RMS Wind | 2 mph |
|
Vector Average Speed Vector Average Direction |
0 mph 295° |
|
High Inside Temperature Low Inside Temperature |
79.9°F at 10:54 PM on 09-02-2026 71.6°F at 08:48 AM on 09-12-2026 |
Last Month
|
High Temperature Low Temperature |
94.2°F at 04:14 PM on 08-06-2026 55.2°F at 06:15 AM on 08-16-2026 |
| Mean Temperature | 73.8°F |
| High Heat Index | 108.4°F at 04:15 PM on 08-06-2026 |
| Low Wind Chill | 55.2°F at 06:15 AM on 08-16-2026 |
|
High Humidity Low Humidity |
97% at 05:50 AM on 08-24-2026 37% at 02:49 PM on 08-29-2026 |
| Mean Humidity | 73% |
|
High Dewpoint Low Dewpoint |
77.5°F at 01:07 PM on 08-06-2026 49.4°F at 03:15 PM on 08-29-2026 |
| Mean Dewpoint | 63.8°F |
|
High Barometer Low Barometer |
30.20 inHg at 10:14 AM on 08-29-2026 29.66 inHg at 03:56 PM on 08-03-2026 |
| Mean Barometer | 29.95 inHg |
| Rain Total | 1.70 in |
| High Rain Rate | 3.72 in/hr at 06:10 AM on 08-03-2026 |
| High Wind Speed | 18 mph from 168° at 04:30 PM on 08-27-2026 |
| Average Wind | 1 mph |
| RMS Wind | 2 mph |
|
Vector Average Speed Vector Average Direction |
0 mph 237° |
|
High Inside Temperature Low Inside Temperature |
79.9°F at 10:19 PM on 08-30-2026 73.6°F at 05:03 PM on 08-07-2026 |
Calendar Year
|
High Temperature Low Temperature |
99.9°F at 02:55 PM on 07-02-2026 -3.0°F at 07:26 AM on 01-31-2026 |
| Mean Temperature | 53.6°F |
| High Heat Index | 114.2°F at 02:55 PM on 07-02-2026 |
| Low Wind Chill | -17.6°F at 01:22 AM on 02-08-2026 |
|
High Humidity Low Humidity |
97% at 01:55 PM on 03-16-2026 18% at 03:42 PM on 04-23-2026 |
| Mean Humidity | 70% |
|
High Dewpoint Low Dewpoint |
77.5°F at 01:07 PM on 08-06-2026 -14.8°F at 08:19 AM on 01-24-2026 |
| Mean Dewpoint | 43.0°F |
|
High Barometer Low Barometer |
30.69 inHg at 09:12 AM on 03-02-2026 29.23 inHg at 03:20 AM on 03-17-2026 |
| Mean Barometer | 29.97 inHg |
| Rain Total | 17.98 in |
| High Rain Rate | 6.00 in/hr at 03:02 PM on 07-28-2026 |
| High Wind Speed | 36 mph from 90° at 02:10 AM on 03-17-2026 |
| Average Wind | 2 mph |
| RMS Wind | 3 mph |
|
Vector Average Speed Vector Average Direction |
1 mph 281° |
|
High Inside Temperature Low Inside Temperature |
80.6°F at 09:07 PM on 05-19-2026 63.3°F at 12:20 PM on 03-05-2026 |
Last Year
|
High Temperature Low Temperature |
102.7°F at 03:29 PM on 06-24-2025 -1.7°F at 07:13 AM on 01-22-2025 |
| Mean Temperature | 50.9°F |
| High Heat Index | 120.8°F at 03:12 PM on 06-23-2025 |
| Low Wind Chill | -11.7°F at 06:03 AM on 01-22-2025 |
|
High Humidity Low Humidity |
97% at 03:26 AM on 05-06-2025 18% at 06:24 PM on 04-17-2025 |
| Mean Humidity | 70% |
|
High Dewpoint Low Dewpoint |
80.0°F at 03:12 PM on 06-23-2025 -6.9°F at 06:56 AM on 01-22-2025 |
| Mean Dewpoint | 40.6°F |
|
High Barometer Low Barometer |
30.66 inHg at 08:59 AM on 02-02-2025 28.93 inHg at 08:44 PM on 02-16-2025 |
| Mean Barometer | 29.97 inHg |
| Rain Total | 29.28 in |
| High Rain Rate | 16.00 in/hr at 10:30 AM on 01-19-2025 |
| High Wind Speed | 41 mph from 178° at 12:48 PM on 12-19-2025 |
| Average Wind | 2 mph |
| RMS Wind | 3 mph |
|
Vector Average Speed Vector Average Direction |
1 mph 279° |
|
High Inside Temperature Low Inside Temperature |
80.3°F at 07:00 PM on 06-23-2025 57.1°F at 08:03 PM on 12-15-2025 |
