Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:11

16:39

16 Good
17 OK
18 Bad
19 Bad
20 OK
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
15 Bad

Sun - Rise: 08:27, Set: 18:09, Transit: 13:18. Moon - Rise: 08:11, Set: 16:39. Civil Dark: 18:37 - 07:59. Nautical Dark: 19:10 - 07:27. Astro Dark: 19:41 - 06:55

Total Clouds (% Sky Obscured)

17
31
63
100
33
100
95
85
90
100
100
100
100
100
100
100
100
100
97
100
99
100
100
100

Low Clouds (% Sky Obscured)

0
12
10
0
0
0
22
24
28
33
36
42
33
30
32
48
53
41
55
54
53
42
43
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
25
59
28
80
58
78
100
100
88
90
76
90
94
81
99
100
98
100

High Clouds (% Sky Obscured)

17
31
63
100
25
100
77
49
90
100
100
100
100
100
100
100
100
100
38
98
78
100
100
84

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
1
0
0
0
0
0
0
17
14
9
5
3
2
1
1
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
3
1
0
2
6
9
14
18
16
14
14
30

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
12
11
11
11
9
8
8
8
8
9
9
9
9
9
9
10
13
13
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

60
75
83
87
89
89
88
87
85
87
88
88
88
90
88
88
90
90
84
80
78
74
68
61

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1020
1019
1019

Ozone (du)

328
328
327
324
324
324
322
321
320
322
320
317
314
313
316
319
320
320
319
318
317
319
321
321

Friday 19

Waning Crescent 0%

09:04

17:26

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
15 Bad

Sun - Rise: 08:28, Set: 18:09, Transit: 13:19. Moon - Rise: 09:04, Set: 17:26. Civil Dark: 18:38 - 07:59. Nautical Dark: 19:10 - 07:27. Astro Dark: 19:41 - 06:56

Total Clouds (% Sky Obscured)

100
99
100
100
97
98
99
87
86
65
68
53
56
77
78
68
80
79
76
99
61
62
58
57

Low Clouds (% Sky Obscured)

64
65
68
76
75
74
66
67
79
59
65
53
56
47
66
50
52
50
3
8
16
19
13
13

Medium Clouds (% Sky Obscured)

100
99
100
100
97
98
99
87
84
14
12
3
1
19
17
10
0
0
6
12
1
22
58
46

High Clouds (% Sky Obscured)

72
91
97
80
52
57
60
55
34
3
1
0
0
10
1
8
30
38
76
98
60
62
58
57

ISS Passover

Visibility (miles)

9
3
4
7
6
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
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

58
74
52
62
67
70
54
47
30
24
15
20
22
35
22
31
20
3
4
4
6
8
12
7

Precipitation Amount (mm)

0.4
0.6
0
0.3
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
3
3
4
3
2
3
4
3
3
3
3
4
4
6
6
6
6
7
8
9
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
12
12
12
11
10
10
10
10
10
9
9
9
8
8
7
8
8
9
9
10
10

Dew Point (°C)

8
11
11
11
12
11
11
10
10
10
10
10
9
10
10
10
9
9
9
9
9
8
9
9

Relative Humidity (%)

62
76
82
86
93
93
95
95
95
93
93
93
93
96
96
96
96
95
91
87
83
77
76
74

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1018
1018
1019
1019
1019
1020
1020
1019
1018
1018

Ozone (du)

326
326
325
327
327
327
328
327
326
329
331
332
325
321
315
308
308
307
308
311
313
316
316
315

Saturday 20

New Moon 2%

09:51

18:20

16 Bad
17 OK
18 Good
19 OK
20 OK
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
15 Bad

Sun - Rise: 08:28, Set: 18:10, Transit: 13:19. Moon - Rise: 09:51, Set: 18:20. Civil Dark: 18:38 - 08:00. Nautical Dark: 19:11 - 07:28. Astro Dark: 19:42 - 06:56

Total Clouds (% Sky Obscured)

47
38
0
39
47
48
65
70
64
85
100
100
100
100
100
100
100
100
100
100
97
97
100
100

Low Clouds (% Sky Obscured)

7
0
0
0
22
20
6
16
28
69
92
96
97
100
86
74
68
56
58
64
49
52
62
64

Medium Clouds (% Sky Obscured)

30
38
0
20
22
21
18
39
42
38
50
40
40
34
77
100
47
33
100
64
55
65
100
100

High Clouds (% Sky Obscured)

47
0
0
0
0
3
30
33
5
29
100
97
100
100
67
76
72
100
100
72
62
51
41
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
1
4
9
9
9
9
9
3
5

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

Precipitation Probability (%)

1
1
1
1
1
2
6
11
27
61
94
95
95
95
95
95
95
66
40
37
45
76
83
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
1
2
3.1
3
0.5
0.2
0
0
0
0.6
0.6
1.1

Wind Speed/Direction (mph)

10
9
8
6
5
5
4
4
4
4
3
5
8
11
11
9
5
4
4
3
3
8
13
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
10
9
10
10
10
11
11
10
10
9
8
8
9
9
10
11
11
11
9
9

Dew Point (°C)

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

Relative Humidity (%)

75
76
80
85
87
85
87
88
90
93
93
87
84
87
93
96
91
91
91
92
86
81
84
92

Pressure (mb)

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

Ozone (du)

316
317
316
317
318
317
316
317
319
319
322
325
325
324
322
323
325
329
333
334
334
334
329
325

Sunday 21

Waxing Crescent 6%

10:32

19:19

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

Sun - Rise: 08:29, Set: 18:10, Transit: 13:20. Moon - Rise: 10:32, Set: 19:19. Civil Dark: 18:39 - 08:00. Nautical Dark: 19:11 - 07:28. Astro Dark: 19:42 - 06:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
70
38
1
1
0
0
30
55
92
64
46
31
30
38
31

Low Clouds (% Sky Obscured)

65
66
70
26
60
56
49
50
51
45
31
1
1
0
0
0
2
2
9
14
22
19
22
19

Medium Clouds (% Sky Obscured)

100
61
49
43
100
100
100
100
100
70
38
1
0
0
0
22
43
65
40
18
0
1
2
3

High Clouds (% Sky Obscured)

23
32
40
60
78
100
100
100
67
51
28
0
0
0
0
23
40
72
36
18
2
1
8
1

ISS Passover

Visibility (miles)

3
9
9
9
9
9
3
4
8
4
4
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

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

Precipitation Probability (%)

91
55
48
49
74
95
95
69
74
84
77
41
22
14
7
6
6
3
7
8
10
11
16
11

Precipitation Amount (mm)

0.5
0
0
0
0.2
0.8
0.8
0.2
0.3
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
7
10
9
8
10
15
14
14
17
19
19
16
14
14
12
10
9
8
9
9
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
8
8
8
8
7
7
7
7
6
5
5
4
3
2
2
3
3
4
5
6
6
6

Relative Humidity (%)

93
91
85
87
87
88
88
88
87
88
87
87
88
88
82
80
80
82
78
73
68
64
63
65

Pressure (mb)

1010
1010
1010
1010
1010
1011
1010
1010
1010
1010
1009
1009
1010
1010
1010
1011
1012
1012
1013
1014
1014
1014
1013
1013

Ozone (du)

323
325
326
327
327
325
326
326
326
324
322
321
320
319
316
315
312
309
307
309
309
306
305
303

Monday 22

Waxing Crescent 5%

11:06

20:21

16 OK
17 OK
18 Good
19 OK
20 OK
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
15 Bad

Sun - Rise: 08:29, Set: 18:11, Transit: 13:20. Moon - Rise: 11:06, Set: 20:21. Civil Dark: 18:39 - 08:01. Nautical Dark: 19:12 - 07:28. Astro Dark: 19:43 - 06:57

Total Clouds (% Sky Obscured)

22
13
9
27
17
39
54
63
71
78
88
100
100
100
100
100
100
100
96
92
87
90
93
96

Low Clouds (% Sky Obscured)

12
7
3
3
14
2
5
10
17
23
29
34
38
46
51
32
48
63
51
39
27
45
63
81

Medium Clouds (% Sky Obscured)

2
1
3
1
3
3
11
10
30
33
66
100
91
100
100
77
76
76
71
65
59
62
65
67

High Clouds (% Sky Obscured)

2
2
5
18
4
20
28
31
34
56
77
100
100
100
100
100
100
100
71
42
15
30
46
61

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

14
11
6
9
10
7
9
9
3
10
11
5
18
20
11
21
24
25
33
41
47
61
74
87

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
9
9
8
8
8
8
8
8
8
9
9
9
9
8
9
9
11
13
14
14
14

Feels Like (°C)

11
10
10
9
7
8
7
6
6
6
6
6
7
7
7
8
6
7
7
8
9
9
14
13

Dew Point (°C)

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

Relative Humidity (%)

69
72
83
91
91
93
93
91
90
88
87
87
88
88
88
87
88
87
88
83
76
71
75
79

Pressure (mb)

1013
1014
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013

Ozone (du)

304
301
300
300
301
302
301
301
302
303
301
302
302
302
302
304
306
308
310
311
312
313
313
313

Tuesday 23

Waxing Crescent 12%

11:37

21:25

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
15 Bad

Sun - Rise: 08:30, Set: 18:11, Transit: 13:21. Moon - Rise: 11:37, Set: 21:25. Civil Dark: 18:40 - 08:01. Nautical Dark: 19:12 - 07:29. Astro Dark: 19:43 - 06:58

Total Clouds (% Sky Obscured)

97
98
100
100
100
100
88
77
66
60
56
53
59
61
63
64
65
61
56
54
53
59
69
79

Low Clouds (% Sky Obscured)

84
88
92
94
94
95
77
63
48
51
50
49
52
55
60
49
36
22
20
17
13
36
57
79

Medium Clouds (% Sky Obscured)

72
71
83
92
96
99
88
77
66
59
42
19
10
4
2
7
11
20
25
35
45
40
36
22

High Clouds (% Sky Obscured)

62
62
67
76
86
94
85
69
56
34
16
0
0
0
0
14
34
56
56
54
53
41
19
3

ISS Passover

Visibility (miles)

9
8
8
7
7
8
8
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
74
72
69
60
62
61
53
53
52
50
53
52
51

Precipitation Amount (mm)

0.7
0.8
0.8
1.2
1.4
1.5
1.6
1.5
1.3
1.1
0.8
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
10
10
9
8
8
8
8
8
7
6
6
6
6
7
7
8
10
12
14
13
12

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
13
13
14
14
15
15
15

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
12
12
12
11
11
11
11
11
10
11
10
10
10
10
11
10
10
10
10
10

Relative Humidity (%)

82
84
87
90
92
92
93
92
90
89
89
90
89
90
89
89
87
84
84
80
76
73
73
71

Pressure (mb)

1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1008
1008
1008
1008
1007

Ozone (du)

312
311
309
308
308
309
309
309
309
308
308
308
307
307
308
308
308
309
309
310
311
312
314
315

Wednesday 24

Waxing Crescent 19%

12:04

22:29

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: 08:30, Set: 18:12, Transit: 13:21. Moon - Rise: 12:04, Set: 22:29. Civil Dark: 18:41 - 08:01. Nautical Dark: 19:13 - 07:29. Astro Dark: 19:44 - 06:58

Total Clouds (% Sky Obscured)

82
85
88
93
96
98
91
84
70
65
61
61
62
67
77
82
86
89
86
86
80

Low Clouds (% Sky Obscured)

61
43
25
41
52
61
49
37
25
23
24
25
28
28
31
40
50
51
50
44
40

Medium Clouds (% Sky Obscured)

39
59
76
83
87
91
84
79
67
53
42
35
34
46
44
56
56
61
59
58
56

High Clouds (% Sky Obscured)

22
41
61
58
51
45
55
60
55
65
61
61
62
65
65
65
65
60
65
70
65

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

Precipitation Probability (%)

48
41
28
40
46
50
62
72
83
78
73
70
60
49
30
34
33
30
69
91
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.5
0.7
0.6
0.5
0.5
0.3
0
0
0
0
0
0.4
0.7
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
13
13
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
12

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
9

Relative Humidity (%)

71
76
80
87
89
92
93
93
93
95
95
95
95
95
93
93
91
92
90
86
80

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006
1007
1007
1007
1007
1007

Ozone (du)

317
317
317
318
321
325
329
334
340
345
347
348
350
350
351
351
353
356
358
359
361

Forecast for Gibraltar, Gibraltar (36.14,-5.35)

Generated: 18/12/25 16:33:27. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+1.00