Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 65%

No Rise

12:26

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:50, Set: 17:22, Transit: 12:36. Moon - Rise: No Rise, Set: 12:26. Civil Dark: 17:52 - 07:20. Nautical Dark: 18:25 - 06:47. Astro Dark: 18:57 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
97
87
92
93
87
81
94
93
98
100
100

Low Clouds (% Sky Obscured)

38
51
20
31
36
46
69
73
92
100
94
100
100
91
81
70
85
80
76
88
86
83
100
100

Medium Clouds (% Sky Obscured)

98
100
98
100
98
100
92
100
100
100
95
40
4
9
42
36
11
9
18
25
28
89
55
87

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
60
48
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
3
7
9
9
9
2
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
4
10
10
19
89
95
95
95
56
33
63
56
42
30
12
16
20
13
17
3
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
0.7
1.3
0.7
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
5
5
5
5
5
6
6
6
6
5
4
3
2
2
2
1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
66
65
63
62
61
67
78
79
82
86
86
81
82
76
71
75
74
79
86
78
81
77

Pressure (mb)

1008
1007
1006
1006
1005
1004
1003
1002
1002
1002
1002
1002
1002
1002
1001
1002
1004
1005
1007
1009
1011
1012
1013
1014

Ozone (du)

330
328
326
322
320
318
318
319
324
330
336
332
323
320
320
324
324
321
319
317
308
306
305
307

Wednesday 10

Waning Gibbous 54%

23:52

12:49

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:50, Set: 17:22, Transit: 12:36. Moon - Rise: 23:52, Set: 12:49. Civil Dark: 17:52 - 07:21. Nautical Dark: 18:25 - 06:48. Astro Dark: 18:57 - 06:16

Total Clouds (% Sky Obscured)

96
64
59
57
65
86
83
82
82
78
78
85
92
100
99
100
94
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
64
58
51
59
78
71
71
69
78
78
81
82
100
99
100
85
98
88
95
83
97
94
97

Medium Clouds (% Sky Obscured)

15
3
4
9
14
15
17
13
10
0
0
0
12
80
38
40
60
64
86
82
100
98
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
2
29
51
100
100
96
83
39
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
2
0
0
7
9
9
9
9
9
9
9
9
9
9
9
9
9
2

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
Snow
Snow
Snow

Precipitation Probability (%)

7
1
0
0
2
3
14
16
10
3
2
2
0
0
0
0
0
0
0
0
14
51
69
89

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
78
81
82
86
91
94
92
86
82
74
67
62
58
56
54
55
65
71
71
69
68
75

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1019
1018
1018
1018
1018
1017
1018
1018
1017
1017

Ozone (du)

309
307
310
314
311
307
305
303
304
308
309
306
302
303
302
304
305
301
299
296
293
298
299
299

Thursday 11

Third Quarter 44%

00:54

13:11

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:51, Set: 17:23, Transit: 12:37. Moon - Rise: 00:54, Set: 13:11. Civil Dark: 17:52 - 07:22. Nautical Dark: 18:25 - 06:49. Astro Dark: 18:57 - 06:16

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
99
100
75
100
91
94
100
100
98
100
100
100
93

Low Clouds (% Sky Obscured)

95
95
91
96
88
82
100
100
81
76
95
80
87
75
75
80
91
100
100
95
82
70
57
61

Medium Clouds (% Sky Obscured)

100
100
100
98
95
100
100
100
100
100
100
95
80
54
10
1
0
0
0
0
0
4
0
0

High Clouds (% Sky Obscured)

30
30
25
25
100
96
100
75
80
53
40
7
81
75
100
67
25
33
89
66
100
100
91
75

ISS Passover

Visibility (miles)

0
0
0
1
5
1
9
1
7
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
69
59
39
31
39
7
1
0
2
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.1
1.4
1
0.3
0.2
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
96
96
96
92
92
91
91
92
94
96
98
93
83
79
77
85
89
94
96
96
94
89
83

Pressure (mb)

1017
1017
1016
1015
1015
1014
1013
1013
1013
1013
1013
1014
1014
1014
1013
1013
1014
1014
1015
1016
1017
1017
1018
1018

Ozone (du)

299
302
305
306
307
306
305
304
299
301
301
305
304
305
305
304
306
311
311
310
307
315
325
323

Friday 12

Waning Crescent 34%

01:54

13:32

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:52, Set: 17:23, Transit: 12:37. Moon - Rise: 01:54, Set: 13:32. Civil Dark: 17:52 - 07:22. Nautical Dark: 18:26 - 06:49. Astro Dark: 18:58 - 06:17

Total Clouds (% Sky Obscured)

85
78
82
86
92
94
96
98
98
98
98
98
97
97
97
98
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
73
62
68
71
47
65
65
64
63
67
65
58
53
66
80
94
92
94
92
94
99
100
95

Medium Clouds (% Sky Obscured)

5
5
15
22
33
53
73
94
90
87
84
83
86
88
85
86
85
81
75
68
75
88
100
62

High Clouds (% Sky Obscured)

47
15
28
46
64
47
23
9
25
47
67
73
80
89
83
76
76
73
72
80
88
95
100
81

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
3
1

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
1
1
1
0
0
2
5
5
8
10
7
15
20
22
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
4
3
3
4
3
3
4
3
3
4
3
3
3
4
5
7
8
8
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
86
87
84
86
87
86
83
81
74
68
65
61
59
58
62
65
74
84
86
87
86
84

Pressure (mb)

1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1022
1021
1021
1021
1022
1022
1023
1023
1024
1024
1025

Ozone (du)

317
314
310
311
312
312
310
308
306
301
300
300
300
300
300
301
301
303
306
308
308
307
309
309

Saturday 13

Waning Crescent 25%

02:54

13:55

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

Sun - Rise: 07:53, Set: 17:23, Transit: 12:38. Moon - Rise: 02:54, Set: 13:55. Civil Dark: 17:53 - 07:23. Nautical Dark: 18:26 - 06:50. Astro Dark: 18:58 - 06:18

Total Clouds (% Sky Obscured)

100
100
88
81
71
52
31
9
18
27
36
24
12
0
1
1
2
1
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

89
85
76
70
64
42
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

60
60
33
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

73
34
2
15
2
2
4
7
13
19
24
17
9
0
1
1
2
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

8
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 (%)

12
9
7
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-9
-10
-10
-12
-12
-13
-14
-14
-15
-17
-17
-18
-18
-17
-16
-16
-16
-14
-14
-14
-14
-14

Relative Humidity (%)

84
82
84
83
83
82
80
80
78
78
69
60
51
46
43
44
44
44
50
59
67
68
72
74

Pressure (mb)

1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1036
1035
1035
1035
1035
1035
1036
1037
1037
1037
1037
1037

Ozone (du)

313
314
317
317
321
320
317
312
311
314
315
313
311
306
303
300
297
295
289
284
279
278
277
276

Sunday 14

Waning Crescent 17%

03:54

14:19

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

Sun - Rise: 07:53, Set: 17:23, Transit: 12:38. Moon - Rise: 03:54, Set: 14:19. Civil Dark: 17:53 - 07:24. Nautical Dark: 18:26 - 06:50. Astro Dark: 18:58 - 06:18

Total Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
3
7
10
28
36
44
38
31
24
20
18
20
19
15
11
9

Low Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
2
2
2
1
1
0
19
31
24
20
18
20
19
10
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
7
10
20
23
44
32
16
1
1
2
2
6
9
11
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-13
-13
-12
-12
-13
-13
-13
-13
-13
-13
-12
-12
-11
-5
-5
-5
-5
-5
-5
-7
-7
-7

Dew Point (°C)

-14
-13
-13
-13
-13
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-15
-15
-15
-15
-15
-14
-14
-14

Relative Humidity (%)

75
77
77
77
77
78
76
78
78
72
68
63
56
49
44
39
37
35
38
42
46
47
47
48

Pressure (mb)

1037
1036
1036
1036
1036
1035
1035
1035
1035
1034
1034
1034
1033
1032
1030
1030
1029
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

274
272
270
270
271
271
269
268
266
266
266
265
267
268
270
270
270
270
270
271
271
272
273
274

Monday 15

Waning Crescent 11%

04:55

14:48

23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
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

Sun - Rise: 07:54, Set: 17:24, Transit: 12:39. Moon - Rise: 04:55, Set: 14:48. Civil Dark: 17:53 - 07:24. Nautical Dark: 18:27 - 06:51. Astro Dark: 18:59 - 06:19

Total Clouds (% Sky Obscured)

7
5
4
3
2
24
43
60
66
76
85
85
81
90
93
95
92
90
87
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
21
39
55
58
57
65
65
65
65
75
75
70
65
65
60

Medium Clouds (% Sky Obscured)

2
5
4
3
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
5
4
3
2
24
14
0
1
2
3
3
4
4
26
47
68
58
48
38

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
49
48
49
50
51
50
48
47
46
45
43
44
45
46
48
49
52
53
55

Pressure (mb)

1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1026
1025
1025
1024
1024
1023
1023
1023

Ozone (du)

274
274
274
274
273
273
273
272
271
273
275
277
277
276
276
277
278
278
277
275

Forecast for Hamburg, Clark, United States of America (38.40,-85.78)

Generated: 09/12/25 23:59:10. Forecast: 09/12/25 to 15/12/25. Timezone: UTC-5.00