Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 9%

04:06

20:09

10 Bad
11 OK
12 OK
13 OK
14 OK
15 Good
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

Sun - Rise: 07:28, Set: 20:01, Transit: 13:43. Moon - Rise: 04:06, Set: 20:09. Civil Dark: 20:51 - 06:38. Nautical Dark: 21:53 - 05:37. Astro Dark: 23:07 - 04:24

Total Clouds (% Sky Obscured)

40
39
33
28
21
10
11
48
100
100
100
100
82
97
87
79
68
87
73
68
51
57
54
91

Low Clouds (% Sky Obscured)

36
32
28
23
16
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
30

Medium Clouds (% Sky Obscured)

0
2
2
2
3
2
1
2
5
53
51
45
36
36
25
26
9
11
73
68
51
57
27
60

High Clouds (% Sky Obscured)

3
3
3
6
7
6
11
48
100
100
100
100
76
92
86
39
49
86
41
22
38
48
54
85

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 (%)

99
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
8
10
11
11
12
12
10
8
5
4
3
3
2
2
3
3
1
1
1
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

93
87
81
77
72
67
65
63
68
77
84
86
88
90
89
89
91
91
89
86
86
85
85
79

Pressure (mb)

1005
1004
1004
1004
1003
1003
1002
1002
1001
1001
1000
1000
1000
999
999
999
998
998
998
997
997
996
996
995

Ozone (du)

309
309
310
314
313
312
312
312
311
309
307
305
305
305
305
306
307
307
306
304
303
303
302
300

Friday 19

Waning Crescent 4%

05:51

19:55

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:31, Set: 19:57, Transit: 13:43. Moon - Rise: 05:51, Set: 19:55. Civil Dark: 20:47 - 06:41. Nautical Dark: 21:48 - 05:40. Astro Dark: 23:01 - 04:29

Total Clouds (% Sky Obscured)

100
89
85
94
82
63
70
74
90
100
96
99
90
94
100
100
100
100
99
97
99
100
100
100

Low Clouds (% Sky Obscured)

53
81
73
62
60
43
47
60
77
100
96
88
81
80
79
73
67
57
56
71
85
63
62
61

Medium Clouds (% Sky Obscured)

89
71
32
79
36
26
28
35
44
48
46
44
34
43
78
91
79
95
97
92
88
86
100
100

High Clouds (% Sky Obscured)

100
69
37
61
38
3
50
15
14
43
59
89
57
83
100
100
100
100
53
46
67
74
71
80

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
2
3
3
6
3
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
64
59
54
51
50
50
54
60
66
73
84
87
87
88
88
85
85
85
83
85
83
85
82

Pressure (mb)

994
994
993
993
992
992
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991

Ozone (du)

299
299
300
302
303
303
304
306
306
304
304
304
304
304
305
306
306
307
307
306
305
305
304
305

Saturday 20

Waning Crescent 1%

07:30

19:43

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:34, Set: 19:54, Transit: 13:42. Moon - Rise: 07:30, Set: 19:43. Civil Dark: 20:43 - 06:44. Nautical Dark: 21:44 - 05:44. Astro Dark: 22:56 - 04:33

Total Clouds (% Sky Obscured)

99
100
100
99
99
99
99
97
93
93
94
95
99
100
100
99
99
100
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

71
80
79
82
89
83
75
65
59
58
67
71
75
82
84
83
84
82
80
77
75
78
81
85

Medium Clouds (% Sky Obscured)

98
91
93
83
32
54
79
79
74
79
70
73
81
91
95
96
95
92
89
93
88
86
86
87

High Clouds (% Sky Obscured)

86
89
36
30
30
30
34
35
30
32
31
44
91
96
88
48
35
44
51
57
66
69
74
76

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 (%)

2
2
2
2
2
8
11
11
11
8
1
0
0
0
0
0
1
2
6
7
7
11
19
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
70
63
59
56
55
62
68
72
73
78
82
83
80
82
82
80
82
82
80
80
80
80
85

Pressure (mb)

991
991
991
991
990
990
991
991
991
991
992
992
992
992
992
993
993
993
993
993
993
993
993
993

Ozone (du)

306
306
307
308
309
309
308
308
308
307
307
307
307
309
309
310
311
312
312
312
311
311
312
311

Sunday 21

New Moon 0%

09:06

19:31

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:37, Set: 19:50, Transit: 13:42. Moon - Rise: 09:06, Set: 19:31. Civil Dark: 20:39 - 06:47. Nautical Dark: 21:40 - 05:47. Astro Dark: 22:50 - 04:38

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
99
99
99
99
99
100
100
100
100
99
99
99
97
95
93

Low Clouds (% Sky Obscured)

86
87
88
86
84
82
79
77
74
75
76
78
79
79
80
79
80
81
82
82
83
84
85
87

Medium Clouds (% Sky Obscured)

91
89
86
89
87
90
91
92
96
98
98
95
88
83
87
93
86
84
91
79
87
94
93
81

High Clouds (% Sky Obscured)

81
86
81
78
85
83
69
55
28
39
59
74
83
91
100
97
80
88
75
61
51
53
51
33

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 (%)

19
9
4
7
7
8
14
19
16
30
39
40
37
32
28
32
33
39
39
42
45
42
42
47

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
84
79
78
81
85
85
87
90
90
91
91
93
93
93
94
93
93
93
94
94
94

Pressure (mb)

993
993
993
993
993
993
993
993
993
993
993
994
994
994
994
994
994
994
994
995
995
995
995
995

Ozone (du)

311
310
309
309
310
312
313
314
315
316
316
317
320
321
322
322
322
323
323
323
323
322
321
321

Monday 22

Waxing Crescent 1%

No Rise

19:20

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:40, Set: 19:46, Transit: 13:41. Moon - Rise: No Rise, Set: 19:20. Civil Dark: 20:35 - 06:51. Nautical Dark: 21:36 - 05:51. Astro Dark: 22:45 - 04:42

Total Clouds (% Sky Obscured)

95
98
99
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
99
98
97
96
94
92

Low Clouds (% Sky Obscured)

90
95
98
99
99
100
95
91
86
89
91
93
93
96
100
95
91
86
87
87
87
88
88
88

Medium Clouds (% Sky Obscured)

93
95
92
84
72
68
59
60
66
89
93
91
62
56
51
50
43
33
32
35
30
31
31
39

High Clouds (% Sky Obscured)

19
28
36
44
54
71
78
80
87
84
27
8
22
27
32
26
23
21
17
12
4
3
2
2

ISS Passover

Visibility (miles)

9
7
6
8
9
9
7
7
7
7
6
4
6
4
3
1
1
0
0
0
0
0
2
4

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

Precipitation Probability (%)

51
55
48
42
39
39
37
40
44
43
46
49
22
23
27
30
33
36
38
41
44
42
41
39

Precipitation Amount (mm)

0
0.3
0.2
0
0
0
0
0
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
94
94
96
96
94
96
96
94
94
91
93
96
98
96
96
96
93
91

Pressure (mb)

996
996
997
997
997
998
998
999
999
1000
1000
1001
1002
1004
1004
1005
1006
1006
1007
1008
1008
1009
1009
1010

Ozone (du)

319
319
319
320
321
321
322
322
322
323
323
324
325
325
326
326
326
325
325
324
323
322
322
323

Tuesday 23

Waxing Crescent 4%

10:44

19:07

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:43, Set: 19:43, Transit: 13:41. Moon - Rise: 10:44, Set: 19:07. Civil Dark: 20:32 - 06:54. Nautical Dark: 21:32 - 05:54. Astro Dark: 22:40 - 04:46

Total Clouds (% Sky Obscured)

95
97
100
100
100
100
95
93
93
91
87
80
53
52
50
52
55
62
60
71
71
80
87
94

Low Clouds (% Sky Obscured)

92
96
100
100
100
100
94
88
82
68
58
48
52
44
37
39
40
41
39
36
34
42
48
49

Medium Clouds (% Sky Obscured)

37
46
40
40
24
7
8
9
14
18
32
48
53
52
40
16
11
17
12
16
16
33
53
73

High Clouds (% Sky Obscured)

2
2
2
4
5
6
7
9
11
35
59
80
53
52
50
52
55
62
60
71
71
80
87
94

ISS Passover

Visibility (miles)

6
7
8
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 (%)

31
25
20
17
16
13
9
6
1
1
0
0
0
0
0
0
0
0
0
0
0
5
9
10

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)

3
3
3
4
3
3
3
3
3
3
3
3
4
4
4
4
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1

Relative Humidity (%)

88
84
81
80
78
77
76
79
79
81
83
84
88
87
87
87
87
86
86
86
84
86
84
81

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

324
325
326
327
328
328
329
327
326
324
325
326
327
328
329
330
329
328
327
325
324
323
321
319

Wednesday 24

Waxing Crescent 9%

12:28

18:50

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

Sun - Rise: 07:46, Set: 19:39, Transit: 13:41. Moon - Rise: 12:28, Set: 18:50. Civil Dark: 20:28 - 06:57. Nautical Dark: 21:28 - 05:57. Astro Dark: 22:35 - 04:51

Total Clouds (% Sky Obscured)

95
94
93
89
82
79
66
42
37
49
80
90
97
95
100
100
100
100

Low Clouds (% Sky Obscured)

37
26
14
9
5
6
7
8
8
14
47
63
75
87
99
99
100
60

Medium Clouds (% Sky Obscured)

71
70
66
66
58
47
36
16
6
13
21
43
38
27
21
39
54
71

High Clouds (% Sky Obscured)

95
94
93
84
74
65
61
42
37
49
80
90
91
88
85
81
77
73

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

9
7
6
7
5
0
3
2
0
5
10
12
15
15
11
14
15
14

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
75
70
65
64
63
62
66
72
81
82
86
89
91
94
96
94
94

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012

Ozone (du)

318
317
316
315
314
314
313
313
313
313
314
314
314
313
313
312
312
311

Forecast for Chatanika, Fairbanks North Star, United States of America (65.05,-147.44)

Generated: 18/09/25 10:11:40. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-8.00