Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 55%

12:57

00:25

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

Sun - Rise: 07:20, Set: 16:43, Transit: 12:00. Moon - Rise: 12:57, Set: 00:25. Civil Dark: 17:13 - 06:49. Nautical Dark: 17:48 - 06:14. Astro Dark: 18:22 - 05:40

Total Clouds (% Sky Obscured)

50
38
25
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
15
14
14
4

Low Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
2
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
14
3

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)

19
17
14
14
13
12
11
10
9
8
8
8
7
7
7
7
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
60
61
64
67
73
77
78
78
77
77
77
77
76
75
75
74
72
71
69
66
62
53
44

Pressure (mb)

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

Ozone (du)

342
339
336
333
330
327
324
323
323
324
323
323
324
324
320
316
312
304
300
295
293
293
294
293

Saturday 29

Waxing Gibbous 66%

13:18

01:36

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

Sun - Rise: 07:21, Set: 16:42, Transit: 12:01. Moon - Rise: 13:18, Set: 01:36. Civil Dark: 17:13 - 06:50. Nautical Dark: 17:48 - 06:15. Astro Dark: 18:21 - 05:41

Total Clouds (% Sky Obscured)

3
4
16
87
23
10
4
1
1
0
0
0
0
1
1
1
14
25
26
25
41
64
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
14
25
26
25
41
64
46
31

Medium Clouds (% Sky Obscured)

0
0
0
2
4
4
4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
48
48

High Clouds (% Sky Obscured)

3
2
10
86
13
0
0
0
0
0
0
0
0
0
0
0
0
7
8
7
6
25
91
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
2
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
1
1
2
2
2
3
2
2
2
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
37
39
43
47
46
47
49
53
53
52
50
49
50
49
50
52
54
56
56
56
60
61
62

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

289
288
286
287
288
292
291
292
291
289
288
287
286
281
278
275
274
276
278
280
280
279
283
283

Sunday 30

Waxing Gibbous 76%

13:40

02:50

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
10 Bad
11 Bad

Sun - Rise: 07:22, Set: 16:42, Transit: 12:01. Moon - Rise: 13:40, Set: 02:50. Civil Dark: 17:13 - 06:51. Nautical Dark: 17:48 - 06:16. Astro Dark: 18:21 - 05:42

Total Clouds (% Sky Obscured)

91
67
81
61
84
96
100
97
99
99
100
100
100
100
100
100
100
100
99
99
100
100
93
88

Low Clouds (% Sky Obscured)

13
21
27
27
28
65
81
31
23
21
18
18
21
23
26
21
21
20
23
23
22
22
22
22

Medium Clouds (% Sky Obscured)

34
18
8
2
2
48
93
90
95
98
99
99
100
87
69
72
79
59
76
63
49
44
63
72

High Clouds (% Sky Obscured)

74
21
43
1
83
86
98
54
66
63
94
100
100
100
100
100
100
100
94
96
98
100
78
57

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 (%)

3
3
4
4
6
6
8
9
10
12
23
25
16
17
17
13
14
17
17
20
23
16
38
37

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
63
67
71
76
80
83
83
85
87
87
87
88
88
88
87
85
85
87
86
83
77
74

Pressure (mb)

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

Ozone (du)

282
284
284
282
283
286
286
288
290
290
293
295
298
299
300
300
301
304
305
307
309
310
312
312

Monday 1

Waxing Gibbous 86%

14:04

04:08

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
10 Bad
11 Bad

Sun - Rise: 07:23, Set: 16:42, Transit: 12:02. Moon - Rise: 14:04, Set: 04:08. Civil Dark: 17:13 - 06:52. Nautical Dark: 17:47 - 06:17. Astro Dark: 18:21 - 05:43

Total Clouds (% Sky Obscured)

82
84
87
88
86
84
79
83
86
71
57
61
58
52
87
90
88
91
94
91
88
87
82
84

Low Clouds (% Sky Obscured)

19
18
38
33
26
70
56
52
57
49
37
40
40
37
35
29
33
39
48
57
41
35
42
57

Medium Clouds (% Sky Obscured)

46
28
74
64
74
74
49
59
41
34
29
30
24
23
65
69
71
76
80
76
71
73
69
72

High Clouds (% Sky Obscured)

40
47
59
69
56
26
14
22
28
5
2
8
4
4
8
5
3
44
30
13
2
4
7
7

ISS Passover

Visibility (miles)

9
9
9
9
9
4
8
5
8
3
5
9
9
9
9
6
5
5
8
3
3
3
3
3

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

Precipitation Probability (%)

15
28
41
34
49
62
63
61
76
81
66
51
47
56
57
51
67
65
70
81
77
71
76
82

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.4
0.3
0.6
0.7
0.4
0
0
0.2
0.2
0
0.4
0.3
0.4
0.6
0.5
0.4
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
69
72
75
80
83
87
89
90
90
92
90
88
87
87
87
87
88
88
90
87
82
82

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1019

Ozone (du)

313
314
314
315
315
317
319
322
324
327
328
328
327
328
331
333
335
335
335
336
337
339
339
338

Tuesday 2

Waxing Gibbous 93%

14:32

05:30

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
10 Bad
11 Bad

Sun - Rise: 07:24, Set: 16:41, Transit: 12:02. Moon - Rise: 14:32, Set: 05:30. Civil Dark: 17:12 - 06:52. Nautical Dark: 17:47 - 06:18. Astro Dark: 18:21 - 05:44

Total Clouds (% Sky Obscured)

79
71
58
52
60
43
80
70
76
78
78
80
83
70
56
42
43
41
33
23
17
12
31
50

Low Clouds (% Sky Obscured)

59
38
20
6
14
22
29
26
24
24
29
33
40
41
31
23
20
25
29
18
8
2
2
2

Medium Clouds (% Sky Obscured)

75
71
58
52
60
36
10
10
8
78
78
75
75
59
43
28
24
17
3
4
5
6
4
2

High Clouds (% Sky Obscured)

9
44
55
50
16
3
59
45
42
45
45
50
30
24
23
19
28
31
27
15
10
7
28
48

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

81
76
79
72
71
66
55
50
69
72
51
33
27
77
66
49
58
58
51
49
49
42
40
37

Precipitation Amount (mm)

0.6
0.5
0.6
0.5
0.5
0.4
0.3
0
0.4
0.4
0
0
0
0.6
0.3
0
0.2
0.2
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
79
82
84
84
84
84
83
84
87
87
87
87
87
87
87
87
87
87
83
79
75
70

Pressure (mb)

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

Ozone (du)

337
338
338
339
339
339
338
335
334
331
328
325
322
317
311
306
300
300
301
302
301
301
300
301

Wednesday 3

Waxing Gibbous 98%

15:07

06:55

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
10 Bad
11 Bad

Sun - Rise: 07:25, Set: 16:41, Transit: 12:02. Moon - Rise: 15:07, Set: 06:55. Civil Dark: 17:12 - 06:53. Nautical Dark: 17:47 - 06:18. Astro Dark: 18:21 - 05:45

Total Clouds (% Sky Obscured)

69
79
90
99
96
93
90
86
82
79
87
94
100
100
100
100
100
100
100
99
98
98
97
96

Low Clouds (% Sky Obscured)

3
5
7
9
7
4
2
1
1
0
0
1
1
2
3
5
32
59
90
85
85
90
95
96

Medium Clouds (% Sky Obscured)

0
3
4
5
6
4
5
9
12
20
21
21
18
37
59
83
88
93
100
99
98
97
95
93

High Clouds (% Sky Obscured)

68
79
89
99
93
89
82
83
79
75
84
92
100
100
100
100
100
100
100
99
98
98
97
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
4
5
6
7

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

Precipitation Probability (%)

23
36
40
16
44
42
15
41
37
17
46
42
18
54
50
15
60
76
82
78
88
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0.2
0
0.3
0.5
0.5
0.3
0.3
0.7
0.9
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
15
15
14
13
12
12
11
11
10
10
10
10
10
10
10
10
10
10
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
59
61
62
64
67
71
75
77
79
81
83
83
84
84
84
84
85
88
90
88
88
87
88

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

301
302
304
306
307
308
309
310
311
313
314
314
313
312
312
311
311
311
311
311
312
312
312
312

Thursday 4

Waxing Gibbous 100%

15:52

08:14

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: 07:26, Set: 16:41, Transit: 12:03. Moon - Rise: 15:52, Set: 08:14. Civil Dark: 17:12 - 06:54. Nautical Dark: 17:47 - 06:19. Astro Dark: 18:21 - 05:46

Total Clouds (% Sky Obscured)

98
98
100
98
100
100
100
100
100
100
100
100
100
100
100
93
91
94
97

Low Clouds (% Sky Obscured)

98
98
100
98
95
95
95
95
95
100
100
100
100
100
100
93
91
94
97

Medium Clouds (% Sky Obscured)

86
80
88
87
93
99
100
100
100
100
99
99
98
86
74
63
74
86
97

High Clouds (% Sky Obscured)

98
98
100
98
100
100
100
100
100
100
99
98
97
98
99
93
91
94
97

ISS Passover

Visibility (miles)

8
9
8
6
5
5
5
5
6
8
9
9
9
9
7
5
3
5
7

Fog (%)

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

Precipitation Probability (%)

81
88
87
78
88
95
95
85
88
95
89
82
82
95
95
95
95
95
95

Precipitation Amount (mm)

0.4
0.5
0.5
0.3
0.5
0.7
0.7
0.5
0.6
0.9
0.6
0.3
0
0.5
0.9
0.6
1.4
1.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

8
8
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
90
92
92
92
93
93
93
93
92
92
88
88
88
87
88
88

Pressure (mb)

1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1003

Ozone (du)

311
310
310
310
309
310
310
311
314
317
319
321
322
323
323
322
322
323
323

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

Generated: 28/11/25 12:27:09. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+1.00