Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 7%

09:39

18:19

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

Sun - Rise: 07:27, Set: 15:58, Transit: 11:42. Moon - Rise: 09:39, Set: 18:19. Civil Dark: 16:33 - 06:52. Nautical Dark: 17:12 - 06:13. Astro Dark: 17:49 - 05:36

Total Clouds (% Sky Obscured)

76
77
75
45
14
22
60
77
74
11
30
50
56
52
42
54
50
46
18
23
37
21
43
22

Low Clouds (% Sky Obscured)

4
4
2
2
10
14
39
48
46
4
11
31
40
33
30
43
32
30
18
20
37
17
6
5

Medium Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
2
4
30
0
0
0
0
0
0
0
2
2
7
5
42
19

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
8
7
7
7
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
1
2
0
1
2
4
5
3
2
3
4
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)

6
5
5
6
8
9
9
10
10
8
6
5
5
4
4
4
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-22
-20
-20
-15
-14
-15
-16
-16
-17
-16
-17
-18
-18
-19
-19
-19
-19
-19
-19
-19
-19
-19
-18

Dew Point (°C)

-20
-22
-22
-22
-18
-17
-17
-16
-15
-16
-16
-17
-17
-17
-18
-18
-18
-18
-18
-19
-19
-19
-19
-19

Relative Humidity (%)

76
75
70
65
62
59
60
64
69
72
78
81
81
82
81
81
81
80
80
79
79
79
78
78

Pressure (mb)

1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1027

Ozone (du)

359
366
366
366
371
376
379
377
381
380
391
381
376
381
378
366
362
360
353
349
343
345
352
348

Tuesday 23

Waxing Crescent 13%

10:05

19:32

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:27, Set: 15:59, Transit: 11:43. Moon - Rise: 10:05, Set: 19:32. Civil Dark: 16:34 - 06:52. Nautical Dark: 17:13 - 06:13. Astro Dark: 17:50 - 05:36

Total Clouds (% Sky Obscured)

32
43
64
66
71
80
54
49
56
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
2
2
2
1
1
1
1
2
4
29
83
94
100
96
93
92
95
97
97
92
91
86

Medium Clouds (% Sky Obscured)

30
19
11
28
58
74
41
39
48
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

0
22
60
65
65
75
54
49
56
83
100
100
100
84
48
65
73
65
60
55
57
35
38
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
1
0
0
0
0
0
0
0

Fog (%)

2
2
2
2
1
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
0
4
17
52
75
92
95
95
93
77
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.7
0.7
0.7
0.4
0.3

Wind Speed/Direction (mph)

3
3
2
1
3
3
3
4
5
6
7
9
10
10
10
10
11
11
11
12
12
12
11
11

Chance of Frost

Temperature (°C)

-16
-16
-14
-12
-11
-10
-10
-10
-10
-10
-11
-11
-11
-10
-10
-10
-9
-9
-9
-9
-9
-9
-9
-8

Feels Like (°C)

-18
-18
-16
-15
-15
-14
-14
-14
-14
-15
-16
-16
-16
-16
-16
-16
-16
-15
-15
-15
-15
-15
-15
-14

Dew Point (°C)

-19
-19
-18
-16
-15
-14
-13
-13
-12
-12
-13
-13
-13
-13
-13
-12
-11
-10
-10
-10
-10
-10
-10
-10

Relative Humidity (%)

79
77
73
72
72
75
77
78
80
83
83
81
80
80
80
83
85
88
88
88
90
90
88
88

Pressure (mb)

1026
1026
1026
1025
1024
1024
1022
1022
1021
1021
1020
1020
1019
1018
1018
1017
1016
1015
1015
1015
1015
1014
1015
1016

Ozone (du)

348
349
344
344
338
340
339
339
350
369
364
372
373
373
374
378
377
375
374
372
374
385
386
381

Wednesday 24

Waxing Crescent 21%

10:25

20:44

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:27, Set: 15:59, Transit: 11:43. Moon - Rise: 10:25, Set: 20:44. Civil Dark: 16:35 - 06:52. Nautical Dark: 17:13 - 06:14. Astro Dark: 17:50 - 05:37

Total Clouds (% Sky Obscured)

91
88
94
90
95
97
98
97
97
86
58
57
28
41
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
85
81
79
85
91
91
90
92
79
42
42
18
13
22
5
6
40
59
79
99
99
99
98

Medium Clouds (% Sky Obscured)

79
76
81
36
48
73
82
54
32
16
0
0
0
23
78
96
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

37
4
3
4
3
3
0
0
0
0
0
0
0
9
86
100
100
100
100
100
100
85
67
40

ISS Passover

Visibility (miles)

0
1
2
7
9
9
7
3
3
1
0
1
7
8
8
9
9
9
9
9
9
3
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

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

Precipitation Probability (%)

46
32
27
21
12
10
17
29
30
25
17
6
2
1
2
0
0
0
11
18
26
68
88
95

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7

Wind Speed/Direction (mph)

10
9
8
8
6
4
4
4
4
4
4
3
4
4
4
4
5
5
6
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-14
-13
-12
-11
-9
-10
-9
-9
-10
-11
-12
-13
-14
-15
-16
-15
-14
-14
-14
-14
-14
-14
-14

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
80
77
79
80
84
89
90
92
92
92
88
85
85
85
83
85
87
87
88
90
90

Pressure (mb)

1016
1017
1018
1019
1019
1019
1020
1021
1021
1022
1023
1023
1023
1023
1023
1023
1022
1021
1021
1020
1019
1019
1018
1017

Ozone (du)

384
384
380
380
380
391
396
393
384
388
390
389
389
385
380
375
378
379
378
381
384
387
390
398

Thursday 25

Waxing Crescent 30%

10:43

21:57

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

Sun - Rise: 07:28, Set: 16:00, Transit: 11:44. Moon - Rise: 10:43, Set: 21:57. Civil Dark: 16:35 - 06:53. Nautical Dark: 17:14 - 06:14. Astro Dark: 17:51 - 05:37

Total Clouds (% Sky Obscured)

95
89
76
80
78
75
72
72
67
39
9
35
51
23
4
3
1
2
15
25
35
21
12
2

Low Clouds (% Sky Obscured)

81
60
38
52
60
63
57
52
45
26
6
21
34
15
2
2
1
1
15
25
35
21
12
2

Medium Clouds (% Sky Obscured)

86
73
57
45
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
1
3
7
8
7
6
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

89
69
44
38
26
9
12
19
6
6
6
1
2
2
1
2
1
1
1
2
0
0
0
0

Precipitation Amount (mm)

0.5
0.3
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)

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

Chance of Frost

Temperature (°C)

-10
-9
-8
-8
-7
-6
-5
-6
-6
-8
-9
-11
-11
-13
-14
-14
-16
-17
-18
-18
-19
-20
-20
-21

Feels Like (°C)

-14
-13
-12
-12
-11
-11
-10
-10
-11
-13
-13
-14
-16
-17
-17
-17
-19
-19
-20
-21
-22
-23
-23
-24

Dew Point (°C)

-11
-10
-10
-10
-10
-10
-9
-9
-10
-11
-13
-14
-15
-17
-18
-19
-20
-21
-22
-22
-23
-23
-24
-25

Relative Humidity (%)

90
90
87
82
76
74
74
79
76
75
77
78
75
71
70
69
68
70
70
70
71
72
70
67

Pressure (mb)

1016
1016
1015
1014
1014
1013
1013
1013
1014
1015
1016
1017
1018
1019
1020
1020
1021
1021
1022
1023
1023
1024
1024
1025

Ozone (du)

399
403
407
410
406
399
383
375
370
364
367
365
364
369
364
362
363
363
362
361
358
350
348
345

Friday 26

Waxing Crescent 41%

11:00

23:11

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

Sun - Rise: 07:28, Set: 16:01, Transit: 11:44. Moon - Rise: 11:00, Set: 23:11. Civil Dark: 16:36 - 06:53. Nautical Dark: 17:15 - 06:14. Astro Dark: 17:52 - 05:37

Total Clouds (% Sky Obscured)

16
27
32
42
33
67
71
94
100
100
100
39
35
40
44
51
62
74
62
54
53
56
64
77

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
1
1
2
3
1
21
38
44
45
42
40
44
43
43
47
61
71

Medium Clouds (% Sky Obscured)

0
0
0
5
8
11
21
27
35
35
35
38
35
40
44
51
56
56
55
54
53
55
50
50

High Clouds (% Sky Obscured)

16
27
32
42
32
57
63
89
100
100
100
39
35
40
44
51
62
74
62
54
53
38
22
5

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
4
5
47
71
95
95
95
95
95
95
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.9
0.9
0.8
0.9
0.8
0.8
0.7

Wind Speed/Direction (mph)

5
5
4
3
1
1
3
4
5
5
7
9
10
11
11
12
11
12
13
13
13
14
12
12

Chance of Frost

Temperature (°C)

-21
-20
-18
-17
-15
-14
-13
-13
-13
-14
-14
-14
-14
-14
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13

Feels Like (°C)

-24
-24
-21
-19
-17
-15
-16
-16
-16
-17
-18
-18
-17
-17
-16
-16
-16
-16
-16
-17
-17
-17
-16
-17

Dew Point (°C)

-25
-25
-23
-23
-21
-20
-19
-19
-16
-16
-17
-18
-18
-18
-18
-17
-17
-17
-17
-17
-18
-18
-18
-18

Relative Humidity (%)

65
66
65
59
58
57
59
61
74
81
81
76
71
70
70
70
68
70
68
71
68
67
68
67

Pressure (mb)

1025
1026
1026
1026
1025
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1021

Ozone (du)

342
343
340
341
341
339
336
338
337
339
340
341
341
343
344
345
348
351
355
357
359
361
360
360

Saturday 27

First Quarter 52%

11:16

00:26

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:28, Set: 16:01, Transit: 11:45. Moon - Rise: 11:16, Set: 00:26. Civil Dark: 16:37 - 06:53. Nautical Dark: 17:15 - 06:15. Astro Dark: 17:52 - 05:38

Total Clouds (% Sky Obscured)

82
87
88
83
82
86
83
84
77
72
70
66
73
82
95
94
93
93
92
91
91
91
93
94

Low Clouds (% Sky Obscured)

71
66
66
61
60
59
56
52
53
58
62
66
65
59
53
52
45
43
42
44
43
44
45
46

Medium Clouds (% Sky Obscured)

52
54
57
55
53
51
47
44
40
38
32
26
29
36
43
50
58
66
66
70
75
75
75
75

High Clouds (% Sky Obscured)

20
32
40
45
51
56
37
19
0
3
10
17
34
47
50
40
40
39
59
70
80
91
93
94

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

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

Precipitation Probability (%)

93
85
84
80
75
68
68
68
66
56
44
27
22
17
9
8
6
1
4
2
1
3
1
0

Precipitation Amount (mm)

0.7
0.5
0.5
0.5
0.4
0.3
0.3
0.3
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
11
12
12
12
12
11
10
10
10
9
8
7
6
5
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

-13
-13
-12
-11
-10
-9
-9
-9
-9
-10
-10
-10
-10
-9
-9
-8
-8
-8
-8
-9
-9
-10
-10
-11

Feels Like (°C)

-16
-16
-17
-17
-16
-15
-15
-11
-10
-10
-10
-10
-10
-13
-13
-13
-13
-13
-13
-13
-14
-14
-15
-16

Dew Point (°C)

-18
-18
-17
-17
-16
-14
-14
-14
-13
-12
-13
-13
-13
-12
-12
-11
-11
-11
-11
-11
-12
-12
-13
-13

Relative Humidity (%)

69
66
63
61
62
64
65
69
74
80
78
78
77
77
78
78
78
80
82
82
80
81
80
80

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

359
359
360
360
360
360
360
357
353
349
350
350
351
358
365
372
372
373
373
376
379
383
380
378

Sunday 28

Waxing Gibbous 63%

11:34

01:46

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
00 Bad

Sun - Rise: 07:28, Set: 16:02, Transit: 11:45. Moon - Rise: 11:34, Set: 01:46. Civil Dark: 16:37 - 06:53. Nautical Dark: 17:16 - 06:15. Astro Dark: 17:53 - 05:38

Total Clouds (% Sky Obscured)

94
94
94
96
98
100
100
100
100
100
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
50
55
65
73
81
79
77
78
79
81
81
81
83
83
82
83
80

Medium Clouds (% Sky Obscured)

80
75
70
69
62
65
74
86
100
98
97
95
97
98
100
95
90
87

High Clouds (% Sky Obscured)

94
94
94
96
87
100
69
38
8
5
3
0
33
67
98
97
92
90

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

3
2
1
24
39
52
65
76
79
73
73
70
68
68
64
68
69
66

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.3
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.4
0.3

Wind Speed/Direction (mph)

3
2
2
2
4
5
6
7
7
8
8
8
8
8
8
9
9
12

Chance of Frost

Temperature (°C)

-11
-10
-8
-7
-6
-6
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-5

Feels Like (°C)

-17
-14
-13
-12
-11
-10
-9
-9
-9
-10
-10
-10
-10
-8
-8
-9
-8
-8

Dew Point (°C)

-14
-14
-13
-13
-11
-8
-6
-7
-6
-6
-6
-6
-5
-5
-5
-5
-5
-6

Relative Humidity (%)

78
72
68
62
70
80
90
90
92
92
94
94
94
94
94
94
90
87

Pressure (mb)

1022
1021
1020
1020
1018
1017
1015
1014
1013
1012
1011
1010
1009
1007
1006
1004
1003
1002

Ozone (du)

375
368
360
352
354
355
357
365
373
381
388
394
401
406
411
417
419
422

Forecast for Saint-Jean-de-l'Ile-d'Orléans, Capitale-Nationale, Canada (46.93,-70.93)

Generated: 22/12/25 07:22:34. Forecast: 22/12/25 to 28/12/25. Timezone: UTC-5.00