Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waning Gibbous 99%

18:47

09:24

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

Sun - Rise: 07:37, Set: 19:18, Transit: 13:28. Moon - Rise: 18:47, Set: 09:24. Civil Dark: 20:03 - 06:52. Nautical Dark: 20:56 - 05:59. Astro Dark: 21:54 - 05:01

Total Clouds (% Sky Obscured)

100
100
99
100
99
100
100
100
100
100
100
100
98
100
100
100
91
91
89
90
69
38
53
53

Low Clouds (% Sky Obscured)

68
64
66
65
72
81
83
69
67
68
69
81
87
100
100
98
78
76
69
68
49
38
40
44

Medium Clouds (% Sky Obscured)

100
98
93
89
88
99
100
100
100
100
100
99
94
87
100
97
76
77
63
58
38
5
9
18

High Clouds (% Sky Obscured)

1
15
13
97
80
100
100
86
92
76
100
15
15
15
15
1
20
51
20
25
2
1
15
1

ISS Passover

Visibility (miles)

9
9
9
9
8
2
0
0
0
1
6
4
6
4
3
2
2
4
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
37
33
37
58
67
69
61
52
33
25
12
22
28
30
22
18
8
0
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
16
16
16
15
15
14
14
14
14
14
14
13
11
12
11
11
10
9
7
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-6
-5
-5
-5
-5
-5
-5
-5
-4
-3
-2
-1
-2
-1
-1
-1
-2
-3
-2
-2
-4

Dew Point (°C)

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

Relative Humidity (%)

89
86
84
84
89
94
94
94
96
94
88
81
80
82
86
82
82
82
82
85
88
89
91
92

Pressure (mb)

1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

323
319
315
314
314
312
309
308
308
306
303
305
307
309
310
313
313
315
318
319
322
325
327
331

Monday 28

Waning Gibbous 97%

18:42

11:12

00 Bad
01 Bad
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 07:40, Set: 19:15, Transit: 13:27. Moon - Rise: 18:42, Set: 11:12. Civil Dark: 20:00 - 06:55. Nautical Dark: 20:53 - 06:02. Astro Dark: 21:50 - 05:05

Total Clouds (% Sky Obscured)

56
40
39
37
44
46
44
46
59
51
62
50
61
59
66
81
76
64
81
72
75
100
100
100

Low Clouds (% Sky Obscured)

43
40
39
37
44
46
44
46
59
49
33
23
26
26
32
39
25
19
30
21
37
35
30
58

Medium Clouds (% Sky Obscured)

20
2
1
1
0
0
0
0
0
20
43
35
57
51
59
59
60
46
71
57
64
100
98
99

High Clouds (% Sky Obscured)

10
1
1
1
3
1
0
0
0
0
0
0
0
0
2
18
13
5
19
59
59
25
23
30

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
2
2
2
2
1
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
7
9
3
1
10
23
28
19
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
94
92
92
92
92
91
91
86
77
70
63
58
56
58
58
61
68
76
81
83
84
86

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000
999
999
999
999
999

Ozone (du)

331
334
337
338
340
338
339
340
342
338
337
333
327
325
323
320
321
322
320
321
324
327
328
329

Tuesday 29

Waning Gibbous 91%

18:36

13:10

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 07:42, Set: 19:12, Transit: 13:27. Moon - Rise: 18:36, Set: 13:10. Civil Dark: 19:56 - 06:58. Nautical Dark: 20:49 - 06:05. Astro Dark: 21:46 - 05:08

Total Clouds (% Sky Obscured)

99
98
99
95
85
92
97
95
98
99
98
95
92
87
84
94
96
96
96
100
99
99
99
75

Low Clouds (% Sky Obscured)

77
87
79
83
75
77
90
89
88
81
86
63
56
55
62
75
79
69
66
69
68
75
63
32

Medium Clouds (% Sky Obscured)

97
78
89
87
54
74
77
74
87
45
85
86
81
31
57
78
87
90
86
58
88
98
97
55

High Clouds (% Sky Obscured)

30
40
68
57
3
29
6
0
2
45
29
4
24
45
5
47
40
68
70
87
81
69
57
16

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 (%)

16
16
11
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-3
-4
-4
-4
-4
-4
-5
-5
-6
-6
-6
-5
-4
-4
-4
-4
-3
-3
-2
-2
-2
-3

Relative Humidity (%)

81
78
77
75
75
74
74
74
72
69
64
60
56
55
54
55
55
59
64
70
77
80
81
83

Pressure (mb)

999
999
998
998
998
998
998
998
998
998
998
998
998
998
999
999
999
1000
1000
1001
1002
1002
1003
1003

Ozone (du)

330
331
333
334
335
334
334
336
336
337
334
333
333
332
334
335
335
335
335
336
337
338
338
339

Wednesday 30

Waning Gibbous 83%

18:29

15:20

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 07:45, Set: 19:08, Transit: 13:27. Moon - Rise: 18:29, Set: 15:20. Civil Dark: 19:53 - 07:00. Nautical Dark: 20:46 - 06:07. Astro Dark: 21:42 - 05:11

Total Clouds (% Sky Obscured)

87
88
96
74
50
55
55
64
60
59
61
59
62
89
94
97
95
96
93
87
75
77
69
70

Low Clouds (% Sky Obscured)

34
30
29
33
34
39
49
54
58
53
52
54
54
85
92
90
84
77
79
76
66
66
41
39

Medium Clouds (% Sky Obscured)

57
55
53
57
50
51
48
42
41
34
31
30
37
39
39
40
43
46
44
41
41
45
47
49

High Clouds (% Sky Obscured)

33
39
51
27
5
4
3
2
2
0
0
0
1
0
1
1
2
3
2
1
0
0
1
1

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
1
1
0
1
1
0
2
3
3
6
8
9
9
8
5
4
3
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-2
-2
-3
-3
-3

Relative Humidity (%)

86
86
86
86
86
84
84
83
80
75
69
63
58
56
54
51
52
57
60
66
69
68
68
69

Pressure (mb)

1004
1004
1005
1006
1006
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

339
341
343
344
344
345
346
348
350
350
350
351
352
354
354
352
353
355
355
355
354
353
355
354

Thursday 1

Waning Gibbous 73%

No Rise

No Set

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

Sun - Rise: 07:48, Set: 19:05, Transit: 13:26. Moon - Rise: No Rise, Set: No Set. Civil Dark: 19:50 - 07:03. Nautical Dark: 20:42 - 06:10. Astro Dark: 21:38 - 05:14

Total Clouds (% Sky Obscured)

72
86
87
80
74
64
63
64
42
39
39
37
30
42
54
48
35
12
33
53
74
72
74
75

Low Clouds (% Sky Obscured)

37
36
63
80
74
64
61
63
26
29
33
36
16
27
39
36
31
12
24
26
31
24
23
16

Medium Clouds (% Sky Obscured)

47
69
69
59
46
2
2
2
2
0
0
0
16
16
16
10
4
0
0
0
0
5
9
14

High Clouds (% Sky Obscured)

2
4
13
15
0
0
0
0
0
0
0
0
0
0
0
4
6
7
9
12
15
10
10
10

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 (%)

3
3
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
0
1
1
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)

5
5
4
4
4
4
4
4
4
4
4
3
3
2
3
4
4
4
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

2
1
1
1
1
0
-0
-1
-1
-0
1
2
4
6
7
7
7
6
6
5
3
2
1
1

Feels Like (°C)

-0
-1
-2
-2
-3
-3
-3
-3
-3
-2
0
2
3
5
6
6
6
6
6
3
2
1
0
-1

Dew Point (°C)

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

Relative Humidity (%)

70
71
70
67
69
70
77
80
83
78
73
69
66
64
63
62
63
66
70
73
76
81
83
84

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

354
355
355
354
353
352
348
344
343
344
344
344
344
343
342
341
340
339
338
337
336
335
334
333

Friday 2

Waning Gibbous 62%

19:12

18:59

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
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

Sun - Rise: 07:50, Set: 19:02, Transit: 13:26. Moon - Rise: 19:12, Set: 18:59. Civil Dark: 19:46 - 07:06. Nautical Dark: 20:39 - 06:13. Astro Dark: 21:35 - 05:17

Total Clouds (% Sky Obscured)

84
93
98
99
99
99
99
99
97
92
88
83
83
86
89
82
80
76
73
70
64
73
84
97

Low Clouds (% Sky Obscured)

17
18
19
18
18
21
21
21
20
17
16
13
19
26
27
22
18
17
19
22
27
40
51
62

Medium Clouds (% Sky Obscured)

28
42
51
63
77
93
92
89
84
72
67
54
58
58
59
48
36
35
35
35
35
40
40
45

High Clouds (% Sky Obscured)

10
10
20
45
65
80
80
80
80
80
75
65
40
28
14
8
22
25
40
40
35
48
62
82

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
1
1
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)

6
6
6
7
7
7
8
8
8
8
8
9
10
10
10
11
10
10
10
10
9
9
8
8

Chance of Frost

Temperature (°C)

0
0
0
0
0
0
-0
0
0
0
2
4
5
6
6
7
6
6
5
4
3
2
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
89
88
87
86
84
81
80
76
73
70
68
66
65
66
68
70
73
76
78
78
77

Pressure (mb)

1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

331
333
335
337
339
341
343
344
345
346
346
347
348
348
347
347
347
346
346
347
349
350
349
348

Saturday 3

Third Quarter 50%

21:50

18:30

Sun - Rise: 07:53, Set: 18:58, Transit: 13:26. Moon - Rise: 21:50, Set: 18:30. Civil Dark: 19:43 - 07:08. Nautical Dark: 20:36 - 06:16. Astro Dark: 21:31 - 05:20

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 27/09/26 00:37:25. Forecast: 27/09/26 to 03/10/26. Timezone: UTC-6.00