Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 1%

05:36

20:45

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Good
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK

Sun - Rise: 06:01, Set: 21:09, Transit: 13:37. Moon - Rise: 05:36, Set: 20:45. Civil Dark: 22:01 - 05:08. Nautical Dark: 23:15 - 03:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
94
95
97
88
87
86
86
86
72
72
18
35
28
30
41
51
57
51
38
19
18
23

Low Clouds (% Sky Obscured)

88
86
83
79
75
63
63
63
64
63
61
60
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

97
93
80
83
73
34
37
38
26
38
34
29
8
32
27
30
41
51
57
48
34
10
8
15

High Clouds (% Sky Obscured)

60
70
70
35
33
18
16
15
43
46
14
24
18
21
4
6
4
4
4
43
38
19
18
5

ISS Passover

Visibility (miles)

0
0
0
1
5
6
4
3
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
46
38
27
16
17
13
10
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.1
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
7
8
9
9
10
9
7
7
6
6
6
6
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

-13
-12
-11
-10
-9
-8
-8
-8
-8
-8
-9
-11
-12
-13
-14
-15
-16
-16
-17
-18
-18
-17
-16
-14

Feels Like (°C)

-17
-16
-15
-14
-13
-13
-12
-13
-13
-14
-14
-14
-16
-17
-18
-18
-19
-19
-20
-21
-22
-21
-20
-18

Dew Point (°C)

-15
-14
-13
-13
-13
-12
-12
-11
-11
-10
-12
-13
-14
-15
-17
-18
-18
-19
-20
-21
-21
-21
-20
-19

Relative Humidity (%)

84
83
81
78
74
74
74
75
80
85
82
83
81
81
79
79
78
79
78
78
77
74
71
67

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

432
433
436
439
442
444
443
442
442
452
456
454
458
462
456
449
452
456
455
451
445
443
439
437

Friday 17

New Moon 0%

05:30

22:43

11 OK
12 OK
13 OK
14 OK
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 Bad

Sun - Rise: 05:58, Set: 21:12, Transit: 13:36. Moon - Rise: 05:30, Set: 22:43. Civil Dark: 22:04 - 05:05. Nautical Dark: 23:20 - 03:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

28
36
43
47
30
8
8
8
7
5
4
3
3
2
4
4
5
3
4
16
17
11
22
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
2
2
1
2
2
3
3
5
2

Medium Clouds (% Sky Obscured)

28
33
43
42
20
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3

High Clouds (% Sky Obscured)

5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
17
4
7
44

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
2
2
2
2
3
4
4
3
2
3
3
4
5
5
5
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

-13
-11
-10
-9
-8
-7
-7
-7
-7
-9
-11
-12
-13
-14
-15
-15
-16
-16
-17
-17
-17
-16
-14
-12

Feels Like (°C)

-16
-13
-12
-10
-10
-10
-9
-9
-10
-11
-12
-14
-15
-17
-17
-18
-18
-19
-20
-20
-20
-19
-17
-16

Dew Point (°C)

-18
-17
-17
-16
-15
-15
-14
-14
-12
-11
-13
-14
-16
-17
-17
-18
-19
-19
-19
-20
-19
-18
-17
-15

Relative Humidity (%)

62
59
56
55
54
53
55
58
70
83
86
85
83
82
82
80
77
76
80
80
82
81
79
76

Pressure (mb)

1024
1024
1023
1023
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

439
438
438
439
441
445
451
456
452
441
439
441
441
444
447
449
451
452
449
449
446
442
435
431

Saturday 18

Waxing Crescent 3%

05:23

00:54

11 Good
12 OK
13 Good
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:55, Set: 21:14, Transit: 13:36. Moon - Rise: 05:23, Set: 00:54. Civil Dark: 22:07 - 05:01. Nautical Dark: 23:25 - 03:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
32
16
29
55
52
76
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
0
0
3
3
6
47
59
71
84
94
96
98
97
97
97
97
97
95
92

Medium Clouds (% Sky Obscured)

4
0
7
8
21
38
69
87
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

3
28
5
21
55
52
68
60
98
100
56
54
100
100
83
100
100
100
100
100
100
100
70
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
36
76
95
95
90
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.8
0.6
0.8
1
0.9
0.8

Wind Speed/Direction (mph)

8
9
9
10
10
10
11
10
10
10
10
11
11
11
12
13
14
14
14
13
12
12
11
10

Chance of Frost

Temperature (°C)

-10
-8
-7
-6
-5
-4
-4
-5
-5
-6
-6
-7
-7
-7
-6
-6
-6
-6
-6
-7
-7
-6
-6
-5

Feels Like (°C)

-15
-12
-12
-10
-10
-10
-10
-10
-10
-11
-11
-12
-12
-13
-12
-12
-12
-12
-12
-13
-13
-12
-11
-10

Dew Point (°C)

-14
-12
-11
-11
-10
-10
-10
-9
-8
-8
-8
-9
-9
-8
-8
-7
-7
-7
-7
-8
-8
-7
-7
-6

Relative Humidity (%)

73
72
70
69
65
65
66
72
77
80
84
85
87
87
89
89
90
94
92
92
92
94
94
94

Pressure (mb)

1023
1023
1022
1022
1021
1021
1020
1020
1019
1018
1018
1017
1017
1016
1015
1014
1013
1011
1010
1009
1007
1006
1005
1004

Ozone (du)

429
426
424
425
428
431
430
424
418
415
411
406
402
399
398
397
396
396
395
397
402
402
406
410

Sunday 19

Waxing Crescent 9%

05:07

03:22

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:51, Set: 21:17, Transit: 13:36. Moon - Rise: 05:07, Set: 03:22. Civil Dark: 22:11 - 04:57. Nautical Dark: 23:30 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
95
87
79
74
68
64
51
38
25
38
52
66
77
89
100
100
100
100
91
82
73
75
76

Low Clouds (% Sky Obscured)

90
89
87
79
74
68
64
48
29
9
0
0
0
0
0
0
0
0
0
0
0
0
3
5

Medium Clouds (% Sky Obscured)

100
70
43
15
10
10
10
18
16
24
34
43
53
63
74
89
76
59
46
51
59
60
63
69

High Clouds (% Sky Obscured)

35
40
40
35
35
35
30
25
2
0
2
3
5
8
15
35
50
65
75
66
49
30
22
12

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
92
75
56
43
30
16
4
6
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
0.6
0.4
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
7
5
4
5
9
12
13
12
11
10
9
9
7
7
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

-4
-3
-2
-2
-1
-1
-1
-1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-10
-11
-10
-8
-7
-5

Feels Like (°C)

-9
-8
-6
-6
-4
-4
-5
-6
-7
-8
-9
-9
-9
-10
-12
-11
-12
-13
-13
-13
-13
-11
-9
-7

Dew Point (°C)

-5
-4
-3
-2
-2
-2
-2
-3
-4
-4
-5
-6
-7
-7
-8
-10
-10
-11
-12
-12
-12
-10
-10
-8

Relative Humidity (%)

94
94
94
96
98
96
94
86
81
84
89
89
89
90
90
88
90
88
88
86
86
85
82
80

Pressure (mb)

1003
1002
1001
1000
1000
1000
1000
1001
1001
1002
1003
1003
1004
1004
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007

Ozone (du)

408
397
397
409
417
419
421
434
453
459
461
463
464
461
445
438
443
442
440
439
440
442
440
439

Monday 20

Waxing Crescent 17%

No Rise

No Set

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:48, Set: 21:20, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:14 - 04:53. Nautical Dark: 23:36 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
84
90
95
84
73
62
53
44
35
52
68
85
95
98
100
100
100
100
97
97
96
95
94

Low Clouds (% Sky Obscured)

8
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
4

Medium Clouds (% Sky Obscured)

72
80
88
91
84
73
62
53
44
35
52
68
85
86
79
72
52
30
7
31
55
79
75
73

High Clouds (% Sky Obscured)

2
18
34
54
37
25
10
15
15
25
30
40
50
90
87
82
77
72
69
78
79
76
60
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
1
0
0
0
0
0
0
0
0
2
3
4
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
23
57
81
88
87
86
72
55
32
27
22
14
13
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.6
0.6
0.6
0.5
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
6
7
8
8
8
8
7
7
7
8
7
7
6
6
6
6
5
5
6
6
5
6

Chance of Frost

Temperature (°C)

-3
-2
-1
-0
-0
0
0
0
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-2
-2
-2
0

Feels Like (°C)

-4
-4
-4
-4
-5
-5
-5
-5
-6
-7
-7
-8
-7
-8
-7
-7
-7
-7
-8
-8
-8
-7
-7
-6

Dew Point (°C)

-7
-5
-4
-3
-3
-3
-3
-3
-3
-3
-4
-3
-3
-3
-2
-3
-3
-3
-3
-4
-3
-3
-3
-1

Relative Humidity (%)

78
79
80
81
80
78
77
83
87
87
89
92
96
98
96
96
94
94
94
94
94
94
91
91

Pressure (mb)

1007
1007
1007
1006
1006
1006
1005
1005
1005
1004
1004
1003
1002
1002
999
999
999
999
1000
1000
1000
1001
1001
1001

Ozone (du)

434
427
421
416
414
412
411
411
409
410
408
408
407
405
402
400
397
396
395
395
397
398
400
404

Tuesday 21

Waxing Crescent 27%

07:24

05:37

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:45, Set: 21:23, Transit: 13:35. Moon - Rise: 07:24, Set: 05:37. Civil Dark: 22:18 - 04:49. Nautical Dark: 23:41 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
94
95
96
95
96
94
95
96
97
96
96
94
95
95
95
97
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
5
9
27
32
41
43
34
30
30
25
25
25
25

Medium Clouds (% Sky Obscured)

70
76
80
85
84
81
79
80
83
87
85
80
74
58
45
28
53
77
89
89
92
95
95
95

High Clouds (% Sky Obscured)

31
37
13
1
1
1
0
18
35
52
67
82
94
94
86
81
87
94
100
83
65
46
53
59

ISS Passover

Visibility (miles)

8
9
7
4
1
1
1
0
0
0
0
0
0
0
2
4
6
6
7
7
8
8
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
7
9
8
10
9
5
14
16
19
24
28
29
23
15
3
7
9
4
9
11
10
9
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
5
5
5
5
5
5
5
5
5
6
6
6
7
7
7
7
8
9
9
10
10

Chance of Frost

Temperature (°C)

1
3
4
4
5
4
4
4
3
2
2
1
-1
-2
-2
-2
-2
-2
-2
-2
-1
-1
0
1

Feels Like (°C)

-5
-4
-1
0
1
1
1
1
1
-1
0
-0
-1
-1
-5
-6
-6
-6
-6
-6
-5
-5
-5
-4

Dew Point (°C)

-0
2
2
3
3
3
3
4
3
2
2
1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
0

Relative Humidity (%)

89
89
89
89
89
93
94
98
100
98
100
100
98
98
98
100
100
98
98
98
96
94
94
94

Pressure (mb)

1001
1002
1002
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1004

Ozone (du)

409
413
414
415
415
417
418
419
421
423
426
425
424
423
421
420
418
418
419
419
418
418
417
416

Wednesday 22

Waxing Crescent 38%

09:44

05:22

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:42, Set: 21:26, Transit: 13:35. Moon - Rise: 09:44, Set: 05:22. Civil Dark: 22:21 - 04:46. Nautical Dark: 23:47 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
30
25
20
30
42
58
72
86
100
100
100
100
100
99
99
98
97
96

Medium Clouds (% Sky Obscured)

94
91
79
73
72
79
86
84
81
78
73
67
62
57
56
61
67
73
82

High Clouds (% Sky Obscured)

60
60
60
75
80
75
70
65
65
60
65
65
70
85
90
90
78
67
55

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
2
5
7
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
10
11
8
25
36
45
69
86
95
85
72
59
57
57
58
59
60
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0.8
0.6
0.4
0
0.2
0.2
0.3
0.3
0.3
0.3

Wind Speed/Direction (mph)

10
11
11
11
11
11
11
11
11
12
12
12
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

2
2
2
3
3
2
2
2
1
1
1
1
1
1
0
-1
-1
-1
-2

Feels Like (°C)

-4
-4
-1
-1
-2
-1
-2
-2
-2
-2
-3
-3
-2
-3
-4
-5
-5
-5
-5

Dew Point (°C)

1
2
2
2
2
2
1
1
1
1
0
0
-0
-0
-1
-2
-2
-3
-3

Relative Humidity (%)

96
96
94
96
94
96
96
98
96
96
94
94
94
94
94
92
92
91
91

Pressure (mb)

1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1000
1001
1001

Ozone (du)

415
414
414
413
413
414
414
414
414
414
414
416
417
419
421
423
425
423
422

Forecast for Yellowknife, North Slave Region, Canada (62.45,-114.37)

Generated: 16/04/26 11:02:54. Forecast: 16/04/26 to 22/04/26. Timezone: UTC-6.00