Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

13:00

03:05

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

Sun - Rise: 07:40, Set: 16:50, Transit: 12:15. Moon - Rise: 13:00, Set: 03:05. Civil Dark: 17:21 - 07:09. Nautical Dark: 17:57 - 06:34. Astro Dark: 18:31 - 06:00

Total Clouds (% Sky Obscured)

26
34
41
35
41
51
57
57
25
39
50
63
51
34
3
3
4
10
10
15
15
26
60
63

Low Clouds (% Sky Obscured)

21
23
17
14
18
39
29
27
11
17
22
28
20
15
2
3
4
10
10
15
15
26
60
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
2
16
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

41
45
96
95
92
75
59
11
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
4
2
2
1
0
0
0
0
2
0
2
4
5
5
5
2
1
0
0
0
1

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
5
5
5
5
5
5
3
4
6
7
6
6
6
7
7
9
10
10
11
12
12

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
9
10
11
12
12
13
13
12
11
11
10
10
10
9
9
9
8
7

Feels Like (°C)

8
8
8
7
6
6
8
9
10
11
12
12
13
12
10
8
8
7
7
6
6
5
4
3

Dew Point (°C)

6
6
6
6
6
6
6
6
5
5
5
5
5
6
6
6
5
5
6
5
4
4
4
4

Relative Humidity (%)

84
85
87
88
88
85
81
72
66
63
61
58
59
64
70
71
72
74
76
73
72
72
75
82

Pressure (mb)

1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

308
308
309
309
307
305
306
305
309
309
308
309
309
310
314
318
318
318
319
319
318
314
315
312

Wednesday 31

Waxing Gibbous 90%

13:38

04:25

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:40, Set: 16:51, Transit: 12:16. Moon - Rise: 13:38, Set: 04:25. Civil Dark: 17:22 - 07:09. Nautical Dark: 17:57 - 06:34. Astro Dark: 18:31 - 06:00

Total Clouds (% Sky Obscured)

82
84
86
79
71
72
70
59
66
73
68
70
67
65
62
56
51
70
72
76
69
72
75
66

Low Clouds (% Sky Obscured)

72
82
72
72
68
68
70
25
28
31
27
28
34
47
39
21
21
18
67
71
69
72
75
66

Medium Clouds (% Sky Obscured)

24
20
43
20
26
28
22
20
24
25
26
22
3
3
9
19
24
36
36
18
6
0
13
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
63
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 (%)

5
11
3
3
3
6
5
6
12
16
20
19
11
4
2
1
1
2
2
1
1
1
1
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
82
82
79
75
65
59
55
54
53
55
57
60
62
64
62
65
65
66
66
67
68

Pressure (mb)

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

Ozone (du)

307
304
299
299
302
305
305
305
303
300
302
303
305
307
310
316
321
325
324
327
331
333
334
332

Thursday 1

Waxing Gibbous 97%

14:29

05:46

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:41, Set: 16:52, Transit: 12:16. Moon - Rise: 14:29, Set: 05:46. Civil Dark: 17:23 - 07:09. Nautical Dark: 17:58 - 06:34. Astro Dark: 18:32 - 06:00

Total Clouds (% Sky Obscured)

84
79
68
73
84
70
87
79
87
97
100
100
97
100
99
99
96
96
81
84
82
83
74
67

Low Clouds (% Sky Obscured)

80
79
68
73
84
70
73
79
82
79
86
91
93
100
95
98
96
91
71
37
33
20
21
18

Medium Clouds (% Sky Obscured)

40
34
20
10
18
22
43
39
44
59
65
63
57
49
53
36
36
41
3
0
0
0
13
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
61
84
82
83
64
31

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
4
5
5
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

3
11
7
5
2
7
3
6
11
7
6
6
10
26
71
81
83
75
75
53
41
28
30
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.5
0.4
0.6
0.2
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
8
8
8
8
9
12
14
14
15
15
16
15
15
16
16
15
11
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
3
3
4
4
4
4
4
5
4
4
5
5
4
4
3
5
7
9
8
7
7

Dew Point (°C)

-1
-1
-1
0
0
1
1
2
3
4
4
5
5
5
6
6
6
6
6
7
8
7
7
6

Relative Humidity (%)

64
62
61
65
65
65
65
66
67
67
65
66
67
68
74
74
81
81
84
82
84
80
76
71

Pressure (mb)

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

Ozone (du)

331
333
334
334
335
336
335
332
332
332
331
331
331
328
324
324
324
324
325
325
327
328
328
332

Friday 2

Waxing Gibbous 100%

15:33

06:59

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:41, Set: 16:52, Transit: 12:17. Moon - Rise: 15:33, Set: 06:59. Civil Dark: 17:24 - 07:09. Nautical Dark: 17:59 - 06:34. Astro Dark: 18:33 - 06:00

Total Clouds (% Sky Obscured)

62
84
87
89
81
73
59
61
60
59
59
62
66
73
72
78
78
74
78
75
75
79
85
89

Low Clouds (% Sky Obscured)

17
26
29
54
65
73
59
61
60
59
21
14
11
16
22
63
72
73
65
71
64
63
45
30

Medium Clouds (% Sky Obscured)

32
27
25
79
71
12
5
1
1
0
6
14
19
17
15
12
15
16
60
63
62
56
22
28

High Clouds (% Sky Obscured)

7
35
35
40
27
23
2
30
1
2
25
30
40
45
59
65
78
74
45
67
66
71
70
60

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

Precipitation Probability (%)

21
30
39
46
42
44
43
36
38
27
20
18
8
18
24
26
26
25
19
19
17
10
16
18

Precipitation Amount (mm)

0
0
0
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)

5
4
7
9
12
15
19
22
21
21
21
21
21
21
20
18
17
17
17
18
19
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
73
76
76
73
74
72
71
71
70
68
65
68
68
66
66
68
66
66
68
71
76
80

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1007

Ozone (du)

335
335
336
336
333
330
328
324
320
316
313
312
309
307
304
303
305
306
307
307
308
308
309
309

Saturday 3

Full Moon 99%

16:48

08:01

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:41, Set: 16:53, Transit: 12:17. Moon - Rise: 16:48, Set: 08:01. Civil Dark: 17:25 - 07:09. Nautical Dark: 18:00 - 06:34. Astro Dark: 18:34 - 06:00

Total Clouds (% Sky Obscured)

97
98
99
88
97
89
59
84
80
85
80
70
64
63
68
74
100
99
99
100
99
100
100
100

Low Clouds (% Sky Obscured)

35
40
48
53
53
49
39
36
37
32
22
14
8
8
7
8
40
41
35
28
22
17
26
35

Medium Clouds (% Sky Obscured)

27
22
25
73
76
67
8
54
64
43
4
37
64
63
68
74
100
99
99
100
99
100
100
100

High Clouds (% Sky Obscured)

91
90
94
85
95
85
51
70
54
60
61
45
45
45
50
30
100
99
99
100
99
95
88
89

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

22
19
16
15
15
14
10
11
11
9
17
7
3
18
18
3
16
18
15
41
53
63
71
77

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
20
20
20
19
19
20
21
20
21
20
19
17
17
17
16
21
21
21
21
20
20
20

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
15
15
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

11
11
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
12
12

Relative Humidity (%)

80
83
84
84
87
89
87
85
82
81
81
82
85
87
89
87
87
86
86
86
86
86
84
82

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1002
1001
1001

Ozone (du)

308
309
311
314
320
325
325
323
324
324
326
327
329
330
331
334
338
339
340
341
337
334
330
327

Sunday 4

Waning Gibbous 96%

18:07

08:49

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
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:41, Set: 16:54, Transit: 12:17. Moon - Rise: 18:07, Set: 08:49. Civil Dark: 17:26 - 07:09. Nautical Dark: 18:01 - 06:34. Astro Dark: 18:35 - 06:00

Total Clouds (% Sky Obscured)

100
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
97

Low Clouds (% Sky Obscured)

46
59
73
89
88
89
88
93
94
94
80
62
47
51
51
51
64
76
91
91
96
100
94
97

Medium Clouds (% Sky Obscured)

100
99
99
98
99
99
100
96
94
93
86
78
71
75
83
89
94
97
100
99
98
98
94
86

High Clouds (% Sky Obscured)

92
84
73
65
65
56
80
84
88
89
90
91
92
86
80
73
81
90
100
100
100
100
93
87

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

79
83
85
84
76
69
63
77
91
95
95
86
75
76
76
70
95
95
95
95
95
80
65
47

Precipitation Amount (mm)

0.4
0.5
0.5
0.5
0.4
0.3
0.2
0.4
0.7
1.1
0.7
0.5
0.3
0.3
0.3
0.3
0.6
0.8
1.1
0.9
0.6
0.3
0.2
0

Wind Speed/Direction (mph)

21
21
21
22
22
22
22
22
23
23
24
24
24
24
22
20
18
17
17
16
18
20
22
21

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
16
15
15
15
15
15
15
15
15
14
14
14
13
13
13
12
12

Feels Like (°C)

11
11
11
11
12
10
10
9
9
9
9
9
9
9
9
10
10
9
9
10
9
10
9
7

Dew Point (°C)

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

Relative Humidity (%)

78
75
76
78
79
75
74
72
75
79
83
82
80
80
82
84
86
86
87
89
87
84
83
79

Pressure (mb)

1001
1000
1000
1000
999
999
999
999
999
999
998
998
998
998
998
998
998
998
999
999
999
999
999
999

Ozone (du)

324
322
321
321
320
322
323
324
330
336
342
344
346
348
347
346
345
343
341
340
339
339
339
339

Monday 5

Waning Gibbous 91%

19:26

09:25

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 OK
19 OK
20 OK
21 Good
22 OK
23 OK
00 OK

Sun - Rise: 07:41, Set: 16:55, Transit: 12:18. Moon - Rise: 19:26, Set: 09:25. Civil Dark: 17:27 - 07:09. Nautical Dark: 18:02 - 06:34. Astro Dark: 18:35 - 06:00

Total Clouds (% Sky Obscured)

100
100
99
99
79
59
40
60
79
92
85
77
71
60
48
35
25
15
4
18
26
26

Low Clouds (% Sky Obscured)

100
89
79
68
57
46
35
57
78
92
85
77
69
55
41
27
20
13
4
13
20
26

Medium Clouds (% Sky Obscured)

58
50
70
61
41
21
2
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

80
85
94
99
66
34
2
1
0
0
0
0
0
0
0
0
0
0
0
17
26
26

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
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

Precipitation Type

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

Precipitation Probability (%)

23
27
23
15
15
17
20
30
35
37
32
28
25
22
17
11
10
8
5
8
8
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

Wind Speed/Direction (mph)

21
22
19
17
15
12
9
6
8
11
13
9
12
18
16
15
14
12
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
71
71
70
72
74
77
76
77
78
80
81
82
82
82
84
82
82
79
79
78

Pressure (mb)

999
999
1000
1000
1000
1001
1002
1003
1003
1004
1004
1005
1006
1006
1007
1008
1009
1009
1010
1011
1012
1012

Ozone (du)

339
339
337
336
334
333
332
332
339
347
355
350
345
340
340
341
342
343
343
343
343
344

Forecast for Civitavecchia, Province of Rome, Italy (42.09,11.80)

Generated: 30/12/25 03:43:46. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+1.00