Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waxing Gibbous 79%

14:11

03:18

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 OK
05 Good
06 Good
07 OK
08 OK
09 Good
10 Good
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 07:37, Set: 16:38, Transit: 12:07. Moon - Rise: 14:11, Set: 03:18. Civil Dark: 17:11 - 07:04. Nautical Dark: 17:47 - 06:27. Astro Dark: 18:23 - 05:52

Total Clouds (% Sky Obscured)

100
99
100
100
99
96
96
94
94
87
87
78
48
46
1
2
8
22
18
16
30
25
87
94

Low Clouds (% Sky Obscured)

100
99
93
88
93
91
88
85
85
86
86
78
48
46
0
0
0
22
18
16
19
4
24
36

Medium Clouds (% Sky Obscured)

94
57
100
99
96
63
24
43
33
2
0
0
0
0
0
0
0
0
0
0
0
16
53
78

High Clouds (% Sky Obscured)

0
3
55
8
3
2
4
31
35
3
0
0
0
0
0
0
0
0
0
0
11
7
41
91

ISS Passover

Visibility (miles)

0
0
1
0
4
5
5
4
8
8
9
9
9
9
9
9
7
8
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

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

Precipitation Probability (%)

61
57
80
60
28
23
10
13
14
8
4
3
2
2
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
11
9
11
13
13
13
12
11
11
10
10
9
8
6
4
3
3
3
2
2
2
3
4

Chance of Frost

Temperature (°C)

1
1
0
-2
-2
-3
-4
-5
-6
-7
-8
-9
-10
-10
-11
-12
-12
-13
-11
-10
-8
-7
-6
-6

Feels Like (°C)

-4
-4
-4
-8
-7
-8
-10
-11
-12
-13
-13
-15
-14
-13
-13
-13
-14
-15
-13
-11
-9
-8
-8
-9

Dew Point (°C)

1
0
-0
-3
-4
-5
-6
-7
-9
-10
-10
-12
-12
-13
-13
-13
-14
-14
-14
-14
-13
-12
-11
-10

Relative Humidity (%)

98
96
96
96
87
86
84
84
84
83
83
82
81
81
83
86
88
86
81
71
67
68
70
73

Pressure (mb)

1006
1006
1007
1009
1012
1015
1017
1019
1021
1023
1025
1026
1028
1029
1029
1030
1031
1031
1032
1032
1031
1030
1029
1028

Ozone (du)

373
379
387
397
405
407
407
405
407
413
421
422
419
419
420
423
423
416
413
407
398
398
396
396

Monday 1

Waxing Gibbous 88%

14:37

04:41

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:38, Set: 16:37, Transit: 12:07. Moon - Rise: 14:37, Set: 04:41. Civil Dark: 17:10 - 07:05. Nautical Dark: 17:47 - 06:28. Astro Dark: 18:22 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
82
78
84
86
88
92
88
92

Low Clouds (% Sky Obscured)

66
80
68
32
65
64
63
32
43
74
80
79
76
53
53
51
53
51
61
73
77
85
80
83

Medium Clouds (% Sky Obscured)

93
100
63
67
82
100
100
100
100
100
99
97
100
100
100
88
61
44
45
45
45
20
0
0

High Clouds (% Sky Obscured)

100
95
100
100
100
100
100
100
100
100
100
100
100
100
85
95
82
70
70
38
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
9
9
6
6
9
5
1
1
1
3
6
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
3
5
7
4
6
8
8
19
13
22
29
28
23
16
17
4
8
7
19
6
8
5
7

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

Chance of Frost

Temperature (°C)

-5
-6
-7
-7
-7
-7
-6
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-3
-2
-2
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-9
-8
-8
-8
-8
-8
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-5
-5

Relative Humidity (%)

77
87
90
90
90
89
90
90
90
90
89
90
89
90
94
96
96
94
92
87
84
81
78
75

Pressure (mb)

1028
1028
1027
1026
1025
1024
1024
1023
1022
1021
1020
1019
1019
1018
1017
1017
1016
1016
1016
1016
1015
1014
1013
1013

Ozone (du)

394
392
392
388
387
389
387
382
384
381
376
378
382
382
383
385
386
386
386
388
384
386
386
381

Tuesday 2

Waxing Gibbous 95%

No Rise

06:07

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:39, Set: 16:37, Transit: 12:08. Moon - Rise: No Rise, Set: 06:07. Civil Dark: 17:10 - 07:06. Nautical Dark: 17:47 - 06:29. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

86
76
83
93
100
65
92
100
84
78
70
65
67
82
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
57
47
84
98
65
88
74
59
48
48
45
54
68
88
79
96
84
89
95
88
96
94
92

Medium Clouds (% Sky Obscured)

8
14
30
31
35
31
14
45
15
0
0
4
2
4
82
98
98
100
99
100
99
98
98
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
35
0
0
0
0
2
34
34
87
72
100
81
100
48
99
88
77

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

11
14
28
39
35
30
31
33
30
28
22
24
23
32
26
10
13
19
8
19
22
44
40
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
3
3
3
4
4
4
3
2
3
3
5
6
8
9
9
9
9
10
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-6
-6
-6
-7
-6
-7
-7
-7
-7
-7
-8
-8
-8
-9
-8
-8
-8
-8
-7
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

77
87
92
92
94
96
96
96
96
96
94
96
96
96
94
89
87
86
84
86
87
84
89
82

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1013
1013
1012
1011
1010

Ozone (du)

374
370
368
366
368
368
369
371
372
369
362
357
353
350
352
353
356
355
355
353
351
347
346
347

Wednesday 3

Waxing Gibbous 99%

15:12

07:33

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
11 OK
12 Bad
13 OK
14 OK

Sun - Rise: 07:40, Set: 16:37, Transit: 12:08. Moon - Rise: 15:12, Set: 07:33. Civil Dark: 17:10 - 07:07. Nautical Dark: 17:47 - 06:30. Astro Dark: 18:22 - 05:54

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
96
92
88
86
84
69
85
81
93
61
34
21
24
26
47
26
9

Low Clouds (% Sky Obscured)

90
92
92
93
96
98
100
95
90
84
78
74
60
63
58
61
40
21
12
21
23
33
21
9

Medium Clouds (% Sky Obscured)

97
98
99
100
100
100
100
95
90
84
65
34
28
40
52
64
40
20
0
0
0
0
0
0

High Clouds (% Sky Obscured)

74
81
88
100
75
39
10
5
4
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
7
0
0
0
0
0
0
0
0
0
6
5
8
8
8
7
6
5
6
7
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
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
44
55
66
81
88
95
95
95
78
62
42
29
20
21
21
14
24
21
22
12
7
10
10

Precipitation Amount (mm)

0.2
0
0.2
0.2
0.4
0.5
0.9
1.2
1.1
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-4
-5
-7
-9
-10
-11
-12
-13
-14
-14
-14
-13
-12
-11
-11

Feels Like (°C)

-7
-8
-8
-7
-8
-7
-7
-7
-7
-8
-10
-12
-14
-15
-17
-17
-19
-19
-19
-21
-19
-18
-18
-16

Dew Point (°C)

-5
-5
-5
-4
-3
-3
-3
-2
-3
-4
-6
-8
-11
-13
-15
-16
-18
-18
-19
-18
-17
-17
-17
-17

Relative Humidity (%)

82
81
82
91
94
94
94
96
98
96
94
92
83
78
75
73
70
68
65
69
71
70
65
65

Pressure (mb)

1010
1009
1009
1008
1008
1008
1007
1007
1007
1008
1009
1011
1012
1013
1015
1016
1017
1018
1018
1019
1020
1020
1021
1022

Ozone (du)

350
354
357
361
364
366
367
365
364
363
362
358
362
366
374
377
383
384
388
406
417
421
422
414

Thursday 4

Full Moon 100%

15:57

08:52

15 OK
16 Good
17 OK
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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:41, Set: 16:37, Transit: 12:09. Moon - Rise: 15:57, Set: 08:52. Civil Dark: 17:10 - 07:08. Nautical Dark: 17:47 - 06:31. Astro Dark: 18:22 - 05:55

Total Clouds (% Sky Obscured)

7
8
26
48
57
73
91
85
67
54
56
59
67
80
83
75
84
92
100
100
100
100
93
88

Low Clouds (% Sky Obscured)

7
8
16
28
39
60
82
74
60
47
43
43
45
46
42
36
49
63
76
77
77
76
69
62

Medium Clouds (% Sky Obscured)

0
0
0
0
5
9
12
15
16
18
34
44
53
42
72
67
80
91
100
100
100
100
84
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
10
23
25
53
76
100
97
95
92
93
88

ISS Passover

Visibility (miles)

9
9
9
5
1
2
8
4
6
9
9
9
9
9
9
9
9
7
5
3
5
7
9
7

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 (%)

7
7
7
14
11
12
7
19
11
7
12
13
12
13
13
9
23
20
19
28
28
20
23
21

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)

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

Chance of Frost

Temperature (°C)

-12
-12
-12
-13
-12
-12
-12
-12
-13
-14
-14
-14
-13
-12
-12
-12
-11
-10
-9
-8
-7
-6
-4
-4

Feels Like (°C)

-16
-15
-14
-16
-17
-17
-16
-16
-17
-17
-16
-16
-15
-14
-15
-16
-16
-15
-16
-16
-15
-14
-13
-9

Dew Point (°C)

-17
-17
-16
-16
-15
-15
-15
-15
-16
-17
-16
-16
-15
-14
-14
-15
-14
-12
-11
-9
-9
-9
-9
-8

Relative Humidity (%)

65
67
73
78
79
81
79
79
78
78
81
81
83
83
81
78
78
81
83
88
82
76
72
76

Pressure (mb)

1023
1023
1024
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1021
1020
1020
1019
1018
1017
1017

Ozone (du)

402
398
394
389
383
379
375
371
363
357
356
352
346
342
338
334
335
331
328
324
324
324
323
323

Friday 5

Waning Gibbous 97%

16:58

09:57

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:42, Set: 16:36, Transit: 12:09. Moon - Rise: 16:58, Set: 09:57. Civil Dark: 17:10 - 07:09. Nautical Dark: 17:47 - 06:32. Astro Dark: 18:22 - 05:56

Total Clouds (% Sky Obscured)

87
94
95
96
93
90
85
82
78
81
85
92
97
96
95
94
94
94
94
94
95
95
87
80

Low Clouds (% Sky Obscured)

56
63
71
78
69
60
52
48
43
38
36
34
28
29
34
37
45
50
55
65
75
85
81
77

Medium Clouds (% Sky Obscured)

62
67
76
81
76
71
65
51
46
46
44
48
54
67
81
89
87
85
84
77
69
63
44
27

High Clouds (% Sky Obscured)

87
94
95
96
93
90
85
82
78
81
62
49
45
50
50
50
49
63
77
74
58
20
29
12

ISS Passover

Visibility (miles)

5
3
4
5
6
6
6
6
7
8
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 (%)

14
21
21
16
16
14
6
8
8
4
9
11
11
23
29
29
29
30
29
33
36
38
36
35

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-9
-8
-8
-10
-10
-9
-10
-10
-10
-11
-11
-11
-11
-11
-11
-10
-10
-10
-10
-9
-9
-4

Dew Point (°C)

-7
-6
-7
-7
-7
-8
-8
-8
-8
-8
-9
-9
-8
-8
-8
-7
-7
-7
-6
-6
-5
-4
-4
-3

Relative Humidity (%)

81
85
87
89
90
90
92
92
90
90
90
90
90
89
90
90
92
89
85
84
82
81
80
84

Pressure (mb)

1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1011
1011
1010
1010
1009
1010

Ozone (du)

323
323
325
327
329
331
334
336
339
341
344
342
340
338
333
328
323
320
316
313
313
313
313
313

Saturday 6

Waning Gibbous 92%

18:12

10:46

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
11 Bad
12 Bad

Sun - Rise: 07:43, Set: 16:36, Transit: 12:09. Moon - Rise: 18:12, Set: 10:46. Civil Dark: 17:10 - 07:09. Nautical Dark: 17:47 - 06:32. Astro Dark: 18:22 - 05:57

Total Clouds (% Sky Obscured)

74
67
53
40
56
70
83
88
94
100
100
99
99
99
99
99
99
99
99
98
99
99

Low Clouds (% Sky Obscured)

73
60
48
36
50
63
77
80
82
83
80
76
69
68
67
66
67
68
73
80
87
94

Medium Clouds (% Sky Obscured)

10
6
4
0
0
0
1
12
29
43
57
71
86
86
86
88
95
96
94
93
93
92

High Clouds (% Sky Obscured)

0
0
0
0
6
16
24
44
61
65
60
50
50
35
20
20
20
20
25
5
5
10

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

35
30
24
9
17
16
7
15
19
17
28
31
31
30
27
21
20
19
17
20
20
20

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-8
-8
-8
-9
-9
-9
-10
-10
-10
-11
-10
-10
-9
-9
-9
-9
-8

Dew Point (°C)

-3
-3
-4
-5
-6
-6
-6
-6
-7
-6
-7
-7
-7
-6
-6
-6
-6
-6
-5
-4
-3
-3

Relative Humidity (%)

89
92
92
94
96
96
96
96
94
96
96
94
94
94
94
92
92
92
94
94
94
94

Pressure (mb)

1010
1011
1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

313
313
313
313
313
311
310
309
307
306
305
306
307
307
309
310
311
313
314
315
316
317

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 30/11/25 15:56:42. Forecast: 30/11/25 to 06/12/25. Timezone: UTC-5.00