Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 11

Third Quarter 46%

00:23

12:46

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 OK
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: 08:39, Set: 16:15, Transit: 12:27. Moon - Rise: 00:23, Set: 12:46. Civil Dark: 16:57 - 07:57. Nautical Dark: 17:42 - 07:12. Astro Dark: 18:25 - 06:30

Total Clouds (% Sky Obscured)

98
96
99
95
100
100
100
100
93
29
90
35
59
72
83
91
95
100
100
99
95
98
96
100

Low Clouds (% Sky Obscured)

68
62
64
64
64
50
43
4
8
10
21
32
55
72
77
77
75
69
65
59
60
51
51
53

Medium Clouds (% Sky Obscured)

67
92
71
52
100
100
100
100
90
0
0
0
0
0
0
0
0
0
10
95
82
95
90
100

High Clouds (% Sky Obscured)

45
46
41
67
73
28
12
65
7
23
78
9
11
2
19
58
75
100
100
89
40
40
32
20

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
30
92
84
11
5
9
2
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
2
11
6
9

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)

15
15
15
16
15
14
11
10
10
8
8
7
7
7
7
6
6
6
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
87
90
91
91
93
93
93
93
91
91
91
93
93
91
91
93
91
90
88
88
88

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1019
1020

Ozone (du)

303
302
304
304
303
300
299
298
297
295
293
291
289
288
288
290
289
291
292
294
295
293
292
292

Friday 12

Waning Crescent 37%

01:38

12:55

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: 08:40, Set: 16:15, Transit: 12:27. Moon - Rise: 01:38, Set: 12:55. Civil Dark: 16:57 - 07:58. Nautical Dark: 17:42 - 07:13. Astro Dark: 18:25 - 06:30

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

73
58
55
65
90
89
91
97
100
79
66
53
55
45
78
94
77
78
94
87
66
43
7
14

Medium Clouds (% Sky Obscured)

87
94
73
61
27
73
41
39
59
85
100
98
94
88
100
100
100
95
98
100
100
48
48
34

High Clouds (% Sky Obscured)

51
30
100
73
42
66
71
100
100
100
100
100
100
100
100
90
100
100
68
100
100
100
100
95

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
1

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 (%)

11
6
4
2
7
5
2
3
5
2
0
0
0
2
9
6
7
8
11
2
1
1
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)

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

Chance of Frost

Temperature (°C)

6
7
8
8
8
8
8
8
8
9
9
9
9
9
8
8
9
9
9
9
9
8
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
79
81
84
88
93
96
95
96
98
98
96
96
95
96
93
93
96
95
95
95
93
93

Pressure (mb)

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

Ozone (du)

291
293
293
296
297
295
293
292
294
295
296
298
297
297
298
298
299
300
304
306
307
311
317
339

Saturday 13

Waning Crescent 27%

02:51

13:03

10 OK
11 OK
12 OK
13 OK
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: 08:41, Set: 16:15, Transit: 12:28. Moon - Rise: 02:51, Set: 13:03. Civil Dark: 16:57 - 07:59. Nautical Dark: 17:43 - 07:14. Astro Dark: 18:25 - 06:31

Total Clouds (% Sky Obscured)

33
26
41
47
65
65
65
53
89
74
90
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
18
30
30
38
43
34
39
49
52
52
54
41
55
44
38
48
58
38
45
66
67
63
61

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
0
0
70
67
73
100
100
96
96
96
62
60
53
87
88

High Clouds (% Sky Obscured)

0
0
0
0
10
12
36
20
66
34
77
100
90
100
100
100
95
97
100
87
100
99
100
100

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
5
11
17
17
12
13
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)

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

Chance of Frost

Temperature (°C)

7
8
8
9
9
8
8
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

6
6
7
8
7
5
4
4
4
2
2
2
1
1
1
0
1
1
1
1
0
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

93
87
85
84
82
85
90
93
93
93
93
93
91
88
86
85
87
87
87
90
90
91
87
87

Pressure (mb)

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

Ozone (du)

356
346
345
344
339
336
331
328
326
323
321
317
314
311
311
310
309
305
303
301
298
297
299
298

Sunday 14

Waning Crescent 19%

04:05

13:12

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: 08:42, Set: 16:15, Transit: 12:28. Moon - Rise: 04:05, Set: 13:12. Civil Dark: 16:58 - 08:00. Nautical Dark: 17:43 - 07:14. Astro Dark: 18:25 - 06:32

Total Clouds (% Sky Obscured)

87
75
63
61
58
45
59
60
67
74
90
100
100
99
97
99
100
100
94
92
86
87
81
84

Low Clouds (% Sky Obscured)

58
52
48
42
36
1
16
31
47
56
61
67
79
84
92
92
96
91
90
90
86
87
81
84

Medium Clouds (% Sky Obscured)

81
75
62
40
58
23
18
17
15
16
11
9
8
4
2
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
48
9
21
34
13
30
18
19
37
72
100
95
90
82
89
95
100
85
69
54
58
65
72

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 (%)

14
11
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)

15
15
16
16
15
15
15
15
15
15
15
15
16
16
15
15
14
14
14
14
14
13
13
13

Chance of Frost

Temperature (°C)

7
7
7
8
8
8
7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

2
2
2
3
3
3
3
2
2
1
1
1
1
1
2
2
3
3
3
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
82
79
77
77
73
71
71
71
78
87
91
93
93
94
93
94
93
93
93
91
91

Pressure (mb)

1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

297
297
297
295
294
293
292
293
295
296
294
294
294
294
294
293
293
293
292
292
292
293
292
293

Monday 15

Waning Crescent 12%

05:20

13:23

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

Sun - Rise: 08:43, Set: 16:15, Transit: 12:29. Moon - Rise: 05:20, Set: 13:23. Civil Dark: 16:58 - 08:00. Nautical Dark: 17:43 - 07:15. Astro Dark: 18:25 - 06:33

Total Clouds (% Sky Obscured)

86
80
80
77
70
62
41
19
0
10
20
25
19
10
7
19
28
37
48
58
53
46
38
38

Low Clouds (% Sky Obscured)

86
80
80
77
70
62
39
19
0
0
0
0
0
0
0
1
2
3
6
10
15
10
5
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
6
9
8
7
6
13
19
26
25
24
30
45
38
38

High Clouds (% Sky Obscured)

47
24
0
0
0
0
0
0
0
7
14
20
13
6
1
5
8
10
8
7
6
4
2
0

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
2
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)

12
13
13
13
12
11
10
10
11
11
11
11
10
11
11
11
11
10
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

6
7
7
8
8
8
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
82
78
74
74
77
81
82
84
82
82
82
85
85
86
86
88
88
90
88
88
87
87
87

Pressure (mb)

1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

297
301
303
306
316
332
335
325
317
313
309
304
299
295
293
289
289
289
289
289
289
288
288
288

Tuesday 16

Waning Crescent 11%

06:36

13:37

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: 08:43, Set: 16:16, Transit: 12:29. Moon - Rise: 06:36, Set: 13:37. Civil Dark: 16:58 - 08:01. Nautical Dark: 17:43 - 07:16. Astro Dark: 18:26 - 06:33

Total Clouds (% Sky Obscured)

59
81
100
100
100
100
100
100
100
100
100
100
99
98
97
91
84
78
71
62
53
58
63
71

Low Clouds (% Sky Obscured)

0
0
0
5
8
13
15
18
20
25
30
40
31
20
8
18
29
40
46
51
53
58
63
71

Medium Clouds (% Sky Obscured)

59
69
74
76
86
100
100
100
100
100
100
100
86
65
47
38
33
28
19
10
0
0
0
0

High Clouds (% Sky Obscured)

37
72
100
100
100
100
100
100
100
100
100
99
94
90
85
57
28
0
0
0
0
0
0
0

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
2
1
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)

9
9
9
9
8
8
7
7
7
8
8
8
8
8
7
7
7
7
8
8
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
6
7
7
7
7
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

87
84
81
78
81
81
82
82
82
82
82
85
87
90
90
93
93
93
93
93
93
93
91
91

Pressure (mb)

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

Ozone (du)

288
288
288
288
289
290
291
292
292
293
293
293
293
291
288
286
299
312
325
321
317
313
311
310

Wednesday 17

Waning Crescent 7%

07:49

13:56

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: 08:44, Set: 16:16, Transit: 12:30. Moon - Rise: 07:49, Set: 13:56. Civil Dark: 16:58 - 08:02. Nautical Dark: 17:43 - 07:16. Astro Dark: 18:26 - 06:34

Total Clouds (% Sky Obscured)

64
62
57
64
73
81
87
93
100
100
100
100
98
96
95
96
97
98
99
99
100

Low Clouds (% Sky Obscured)

64
59
54
56
58
56
54
53
50
43
40
38
34
30
28
24
22
20
23
21
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
14
28
39
42
37
31
32
34
35
56
73
90
93
96
99

High Clouds (% Sky Obscured)

2
3
7
27
44
63
75
88
100
100
100
100
83
70
75
89
97
98
99
99
100

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
10
15
19
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

Wind Speed/Direction (mph)

9
9
10
10
10
9
9
9
10
11
12
12
13
14
14
15
15
16
17
17
18

Chance of Frost

Temperature (°C)

7
8
8
9
8
8
8
7
7
6
6
6
6
7
7
8
8
8
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
85
84
84
82
82
84
85
85
86
90
88
90
91
88
87
84
82
82

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1013
1013
1012
1012
1011
1010
1010

Ozone (du)

309
305
301
297
296
295
294
294
294
294
292
290
288
287
287
287
286
286
286
287
288

Forecast for Groningen, Gemeente Groningen, Netherlands (53.22,6.57)

Generated: 11/12/25 10:55:18. Forecast: 11/12/25 to 17/12/25. Timezone: UTC+1.00