Currently: 69 °F. Sunny. (Weather station: Bellingham International Airport, USA). See more current weatherPast Weather in Sumas — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
50
53
56
59
62
65
68
71
74
77
80
Thu, Jul 17
Lo:75
12 pm
Hi:79
6
Lo:64
6 pm
Hi:73
8
Fri, Jul 18
Lo:57
12 am
Hi:63
9
Lo:57
6 am
Hi:61
7
Lo:61
12 pm
Hi:66
11
Lo:59
6 pm
Hi:64
12
Sat, Jul 19
Lo:55
12 am
Hi:57
13
Lo:57
6 am
Hi:61
12
Lo:61
12 pm
Hi:64
9
Lo:57
6 pm
Hi:63
7
Sun, Jul 20
Lo:52
12 am
Hi:57
3
Lo:55
6 am
Hi:63
8
Lo:63
12 pm
Hi:68
6
Lo:59
6 pm
Hi:64
7
Mon, Jul 21
Lo:55
12 am
Hi:57
6
Lo:55
6 am
Hi:61
7
Lo:66
12 pm
Hi:72
9
Lo:61
6 pm
Hi:68
12
Tue, Jul 22
Lo:57
12 am
Hi:61
9
Lo:57
6 am
Hi:63
7
Lo:64
12 pm
Hi:70
8
Lo:63
6 pm
Hi:66
9
Wed, Jul 23
Lo:57
12 am
Hi:61
7
Lo:57
6 am
Hi:66
7
Lo:70
12 pm
Hi:73
7
Lo:63
6 pm
Hi:70
7
Thu, Jul 24
Lo:57
12 am
Hi:59
10
Lo:55
6 am
Hi:64
14
Lo:66
12 pm
Hi:70
13
Lo:61
6 pm
Hi:66
16
Fri, Jul 25
Lo:55
12 am
Hi:57
15
Lo:55
6 am
Hi:61
14
Lo:63
12 pm
Hi:64
9
Lo:57
6 pm
Hi:63
7
Sat, Jul 26
Lo:54
12 am
Hi:59
4
Lo:54
6 am
Hi:63
7
Lo:63
12 pm
Hi:66
9
Lo:61
6 pm
Hi:66
7
Sun, Jul 27
Lo:52
12 am
Hi:59
2
Lo:57
6 am
Hi:64
9
Lo:66
12 pm
Hi:72
8
Lo:61
6 pm
Hi:68
6
Mon, Jul 28
Lo:55
12 am
Hi:61
6
Lo:57
6 am
Hi:66
7
Lo:68
12 pm
Hi:73
5
Lo:61
6 pm
Hi:72
5
Tue, Jul 29
Lo:54
12 am
Hi:59
2
Lo:57
6 am
Hi:72
4
Lo:75
12 pm
Hi:81
4
Lo:63
6 pm
Hi:79
5
Wed, Jul 30
Lo:54
12 am
Hi:61
4
Lo:59
6 am
Hi:66
6
Lo:68
12 pm
Hi:77
6
Lo:63
6 pm
Hi:73
9
Thu, Jul 31
Lo:59
12 am
Hi:63
7
Lo:59
6 am
Hi:63
7
Lo:66
12 pm
Hi:70
9
Lo:64
6 pm
Hi:68
9
Fri, Aug 1
Lo:63
12 am
Hi:66
12
Lo:61
6 am
Hi:66
12
Lo:68
12 pm
Hi:70
12
Sumas Temperature Yesterday
Maximum temperature yesterday: 70 °F (at 2:53 pm)
Minimum temperature yesterday: 59 °F (at 4:53 am)
Average temperature yesterday: 64 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 81 °F (Jul 29, 4:53 pm) | 93% (Jul 18, 5:53 am) | 30.21 "Hg (Jul 18, 5:53 am) |
| Low | 52 °F (Jul 20, 3:53 am) | 34% (Jul 29, 5:53 pm) | 29.86 "Hg (Jul 17, 8:53 pm) |
| Average | 63 °F | 73% | 30.02 "Hg |
| * Reported Jul 17 4:53 pm — Aug 1 4:53 pm, Sumas. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Sumas Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 4:53 pm Fri, Aug 1 | | 70 °F | Sunny. | 12 mph | ↑ | 59% | 30.14 "Hg | 10 mi |
| 3:53 pm | | 70 °F | Sunny. | 12 mph | ↑ | 61% | 30.15 "Hg | 10 mi |
| 2:53 pm | | 70 °F | Sunny. | 13 mph | ↑ | 61% | 30.16 "Hg | 10 mi |
| 1:53 pm | | 68 °F | Sunny. | 13 mph | ↑ | 63% | 30.17 "Hg | 10 mi |
| 12:53 pm | | 68 °F | Sunny. | 12 mph | ↑ | 63% | 30.18 "Hg | 10 mi |
| 11:53 am | | 66 °F | Sunny. | 9 mph | ↑ | 68% | 30.17 "Hg | 10 mi |
| 10:53 am | | 65 °F | Sunny. | 13 mph | ↑ | 70% | 30.18 "Hg | 10 mi |
| 9:53 am | | 63 °F | Sunny. | 15 mph | ↑ | 75% | 30.16 "Hg | 10 mi |
| 8:53 am | | 62 °F | Sunny. | 13 mph | ↑ | 78% | 30.15 "Hg | 10 mi |
| 7:53 am | | 62 °F | Sunny. | 8 mph | ↑ | 75% | 30.14 "Hg | 10 mi |
| 6:53 am | | 60 °F | Sunny. | 12 mph | ↑ | 80% | 30.11 "Hg | 10 mi |
| 5:53 am | | 62 °F | Sunny. | 9 mph | ↑ | 73% | 30.10 "Hg | 10 mi |
| 4:53 am |  | 62 °F | Clear. | 9 mph | ↑ | 73% | 30.09 "Hg | 10 mi |
| 3:53 am | | 62 °F | Clear. | 15 mph | ↑ | 70% | 30.07 "Hg | 10 mi |
| 2:53 am | | 64 °F | Clear. | 16 mph | ↑ | 63% | 30.08 "Hg | 10 mi |
| 1:53 am | | 64 °F | Clear. | 16 mph | ↑ | 61% | 30.07 "Hg | 10 mi |
| 12:53 am | | 66 °F | Clear. | 10 mph | ↑ | 56% | 30.07 "Hg | 10 mi |
| 11:53 pm Thu, Jul 31 | | 66 °F | Clear. | 9 mph | ↑ | 59% | 30.06 "Hg | 10 mi |
| 10:53 pm | | 64 °F | Clear. | 9 mph | ↑ | 70% | 30.06 "Hg | 10 mi |
| 9:53 pm | | 65 °F | Clear. | 13 mph | ↑ | 68% | 30.04 "Hg | 10 mi |
| 8:53 pm | | 64 °F | Clear. | 10 mph | ↑ | 73% | 30.02 "Hg | 10 mi |
| 7:53 pm | | 66 °F | Sunny. | 8 mph | ↑ | 70% | 30.00 "Hg | 10 mi |
| 6:53 pm | | 68 °F | Sunny. | 8 mph | ↑ | 70% | 30.02 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||