Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 66%

13:16

00:22

22 OK
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
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 07:16, Set: 16:40, Transit: 11:58. Moon - Rise: 13:16, Set: 00:22. Civil Dark: 17:11 - 06:45. Nautical Dark: 17:45 - 06:11. Astro Dark: 18:19 - 05:37

Total Clouds (% Sky Obscured)

34
7
4
6
3
2
0
1
0
1
0
0
1
2
2
2
3
3
4
4
3
2
2
1

Low Clouds (% Sky Obscured)

0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
6
7
9
10
12
13
13
13
13
11
10
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
73
73
74
74
74
74
74
71
65
59
54
51
48
47
48
50
53
55
58
59
62

Pressure (mb)

1014
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

328
329
328
327
325
328
325
322
318
313
309
301
297
296
295
290
287
285
285
287
291
291
291
291

Saturday 29

Waxing Gibbous 76%

13:38

01:33

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

Sun - Rise: 07:17, Set: 16:40, Transit: 11:58. Moon - Rise: 13:38, Set: 01:33. Civil Dark: 17:11 - 06:46. Nautical Dark: 17:45 - 06:12. Astro Dark: 18:19 - 05:38

Total Clouds (% Sky Obscured)

1
1
0
0
0
0
2
19
11
12
17
28
60
97
65
31
49
67
58
57
87
80
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
11
35
31
49
66
58
57
73
75
79
82

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
0
2
0
3
31
46
41
43
21
35
17
46
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
19
11
12
11
9
44
96
49
10
27
34
8
3
13
27
90
55

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
2
3
4
6

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
4
4
4
3
4
3
4
4
3
3
3
3
3
2
2
2
2
2
3
3
4
4
4

Chance of Frost

Temperature (°C)

8
7
7
6
6
6
6
6
6
5
5
8
10
12
13
14
14
14
14
13
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
66
69
69
70
71
71
70
70
68
65
56
49
42
42
45
50
55
60
65
71
73
72
71

Pressure (mb)

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

Ozone (du)

292
291
288
284
284
282
279
277
277
276
275
275
278
279
280
279
280
281
283
285
286
287
288
289

Sunday 30

Waxing Gibbous 86%

14:01

02:47

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:18, Set: 16:39, Transit: 11:59. Moon - Rise: 14:01, Set: 02:47. Civil Dark: 17:10 - 06:47. Nautical Dark: 17:45 - 06:13. Astro Dark: 18:19 - 05:39

Total Clouds (% Sky Obscured)

98
98
97
93
95
99
99
96
92
98
91
75
52
50
99
100
99
91
78
59
89
89
86
85

Low Clouds (% Sky Obscured)

83
82
76
69
57
51
41
30
25
21
17
14
10
10
12
9
20
42
33
25
3
3
4
4

Medium Clouds (% Sky Obscured)

93
94
94
81
71
64
34
41
39
40
12
26
21
10
14
69
85
64
58
46
44
58
79
85

High Clouds (% Sky Obscured)

74
83
62
59
73
93
89
73
17
92
87
42
23
14
98
100
98
70
48
36
81
71
61
52

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 (%)

6
6
7
13
14
13
8
6
6
5
4
5
4
4
4
5
7
19
20
9
13
4
5
4

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
3
3
3
3
3
3
4
4
4
3
3
3
3
3
4
4
4
3
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
71
72
74
74
76
76
77
77
76
72
66
64
62
63
63
65
69
74
76
77
77
76

Pressure (mb)

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

Ozone (du)

290
291
295
296
296
297
299
301
302
303
305
307
309
311
313
313
313
314
314
315
316
319
319
320

Monday 1

Waxing Gibbous 93%

14:30

04:05

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK

Sun - Rise: 07:19, Set: 16:39, Transit: 11:59. Moon - Rise: 14:30, Set: 04:05. Civil Dark: 17:10 - 06:48. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:19 - 05:40

Total Clouds (% Sky Obscured)

86
86
83
84
88
91
91
90
89
90
88
85
94
94
99
96
93
89
82
85
82
72
48
17

Low Clouds (% Sky Obscured)

2
2
0
3
5
23
57
67
68
71
65
28
14
24
44
65
59
50
22
10
3
2
2
2

Medium Clouds (% Sky Obscured)

86
86
76
69
79
90
91
90
89
89
71
78
93
91
99
96
93
89
79
85
81
69
39
5

High Clouds (% Sky Obscured)

38
24
13
17
15
14
11
11
19
9
9
8
26
32
55
27
52
54
6
3
0
1
4
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

6
9
8
11
18
39
59
73
70
44
26
13
12
17
36
36
43
34
30
28
22
9
9
7

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.5
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
77
77
77
76
76
81
87
90
87
83
71
64
60
59
61
65
70
76
77
80
77
75

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1019
1020
1019
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

322
323
325
327
329
329
328
328
329
332
334
336
338
340
340
340
340
340
340
342
341
341
341
338

Tuesday 2

Waxing Gibbous 91%

15:05

05:27

22 OK
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

Sun - Rise: 07:20, Set: 16:39, Transit: 12:00. Moon - Rise: 15:05, Set: 05:27. Civil Dark: 17:10 - 06:49. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:18 - 05:41

Total Clouds (% Sky Obscured)

30
64
65
56
51
96
89
82
75
80
85
89
87
86
84
83
84
83
90
95
100
100
100
100

Low Clouds (% Sky Obscured)

6
10
14
17
21
24
27
32
33
34
33
30
28
22
18
13
8
4
3
1
0
11
22
33

Medium Clouds (% Sky Obscured)

25
41
46
36
31
20
15
7
9
3
12
34
38
86
84
83
84
83
90
95
100
99
99
99

High Clouds (% Sky Obscured)

13
54
40
18
12
94
89
82
67
71
78
81
70
57
48
46
38
42
51
78
100
100
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 (%)

7
11
6
9
15
4
11
19
2
4
4
0
2
3
2
7
9
2
7
9
2
19
23
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
74
74
74
73
73
73
73
71
66
60
54
51
49
51
54
56
58
61
63
64
65

Pressure (mb)

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

Ozone (du)

340
342
341
340
338
336
331
325
324
321
315
309
303
296
299
299
299
299
298
299
300
301
301
301

Wednesday 3

Waxing Gibbous 98%

15:50

06:51

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:21, Set: 16:39, Transit: 12:00. Moon - Rise: 15:50, Set: 06:51. Civil Dark: 17:10 - 06:50. Nautical Dark: 17:45 - 06:15. Astro Dark: 18:18 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
59
76
84
88
89
88
88
85
78
70
60
62
64
70
74
77
77
79
77
76
78
70
69

Medium Clouds (% Sky Obscured)

99
99
99
99
100
100
100
99
99
99
100
100
84
69
55
70
85
98
98
97
96
72
49
23

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
87
80
83
86
88
92
96
100
90
79
69
79
89
99

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

53
69
79
95
95
95
95
87
73
72
80
94
95
95
95
95
95
86
90
85
72
65
53
21

Precipitation Amount (mm)

0
0.2
0.3
0.6
0.8
1
0.7
0.5
0.3
0.2
0.3
0.5
0.6
0.6
0.4
0.6
0.6
0.4
0.5
0.5
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
73
79
83
86
88
87
86
84
86
87
89
87
87
86
87
89
89
87
87
87
87
86

Pressure (mb)

1011
1011
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

300
301
301
302
303
305
306
307
308
308
308
308
308
309
310
310
311
311
312
312
313
314
315
316

Thursday 4

Waxing Gibbous 100%

16:48

08:11

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:22, Set: 16:39, Transit: 12:00. Moon - Rise: 16:48, Set: 08:11. Civil Dark: 17:10 - 06:51. Nautical Dark: 17:45 - 06:16. Astro Dark: 18:18 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
62
57
70
83
95
94
96
96
92
88
84
90
94
98
98
98
97
97
93
84

Medium Clouds (% Sky Obscured)

23
19
19
40
62
83
68
51
35
56
76
97
91
86
80
68
55
45
29
16
3

High Clouds (% Sky Obscured)

99
99
100
100
100
100
94
88
82
76
69
62
68
75
82
80
75
71
63
54
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
None

Precipitation Probability (%)

36
34
9
21
20
5
23
26
15
38
51
55
51
56
68
73
66
54
70
75
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.2
0.3
0
0
0
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

86
86
84
84
84
83
83
84
84
84
86
87
90
90
90
92
90
90
89
89
89

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

317
319
322
324
325
326
327
328
328
329
330
332
334
334
335
336
341
347
353
359
365

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 28/11/25 22:11:07. Forecast: 28/11/25 to 04/12/25. Timezone: UTC+1.00