Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 3%

06:26

15:30

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

Sun - Rise: 07:08, Set: 16:48, Transit: 11:58. Moon - Rise: 06:26, Set: 15:30. Civil Dark: 17:19 - 06:38. Nautical Dark: 17:53 - 06:04. Astro Dark: 18:26 - 05:30

Total Clouds (% Sky Obscured)

93
91
93
77
70
54
58
50
6
0
12
25
40
43
43
33
27
27
1
1
20
22
13
11

Low Clouds (% Sky Obscured)

29
75
31
31
37
21
20
15
4
0
5
11
25
25
24
14
13
14
0
1
11
22
13
11

Medium Clouds (% Sky Obscured)

63
74
45
56
58
20
19
23
3
0
0
0
1
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
0
0
0
0

ISS Passover

Visibility (miles)

9
9
4
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
63
0
0
0

Precipitation Type

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

Precipitation Probability (%)

23
21
20
61
54
54
59
51
28
12
6
6
8
23
30
19
17
20
13
3
5
17
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
15
15
15
15
17
18
13
11
10
10
10
10
10
9
10
9
9
9
10
9
8
9

Dew Point (°C)

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

Relative Humidity (%)

82
74
69
67
67
67
71
75
78
80
83
83
84
84
84
84
83
81
83
83
83
83
81
78

Pressure (mb)

1010
1011
1011
1010
1010
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1011
1011
1011

Ozone (du)

298
299
299
298
300
300
299
298
298
298
300
300
299
297
296
296
303
305
307
310
311
314
306
293

Wednesday 19

Waning Crescent 1%

07:30

15:56

09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
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

Sun - Rise: 07:09, Set: 16:48, Transit: 11:58. Moon - Rise: 07:30, Set: 15:56. Civil Dark: 17:18 - 06:39. Nautical Dark: 17:52 - 06:05. Astro Dark: 18:25 - 05:31

Total Clouds (% Sky Obscured)

10
14
11
7
3
1
1
1
1
1
64
64
59
70
50
56
58
61
98
100
100
100
98
91

Low Clouds (% Sky Obscured)

10
14
11
7
3
1
0
0
0
0
22
21
21
28
22
24
23
13
17
18
81
89
89
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
28
19
3
0
0
0
0
22
51
55
44
57
86
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
98
100
100
89
67
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
8
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
2
3
4
4
4
2
2
2
2
2
2
1
8
8
3
2
3
14
35
56
95
95
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.2
1.3
0.5

Wind Speed/Direction (mph)

6
6
4
4
5
5
4
4
4
4
3
3
5
7
9
11
14
13
13
15
16
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
68
63
64
65
68
71
74
74
76
79
74
67
68
68
69
70
68
70
78
76
75
76

Pressure (mb)

1012
1012
1012
1011
1011
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1010

Ozone (du)

292
290
288
284
286
279
275
275
275
274
271
271
273
277
283
283
285
288
290
292
294
296
301
299

Thursday 20

New Moon 0%

08:32

16:28

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:10, Set: 16:47, Transit: 11:58. Moon - Rise: 08:32, Set: 16:28. Civil Dark: 17:17 - 06:40. Nautical Dark: 17:51 - 06:06. Astro Dark: 18:25 - 05:32

Total Clouds (% Sky Obscured)

95
88
99
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
97
100
100
100
100

Low Clouds (% Sky Obscured)

90
87
35
61
26
28
32
21
16
18
13
19
18
14
14
26
14
11
13
61
56
39
34
24

Medium Clouds (% Sky Obscured)

39
0
0
0
0
3
41
53
60
65
89
100
100
100
100
100
100
76
100
94
100
100
100
100

High Clouds (% Sky Obscured)

55
59
92
100
100
100
100
100
100
100
92
100
100
100
100
100
100
100
100
55
85
100
96
90

ISS Passover

Visibility (miles)

9
8
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

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

Precipitation Probability (%)

71
45
18
16
2
0
0
9
14
8
10
16
31
38
33
32
39
25
3
3
15
6
10
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
17
16
15
14
12
9
7
6
5
5
5
6
7
6
6
6
7
10
10
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
67
59
59
60
62
59
56
59
61
59
57
57
58
57
58
61
63
64
64
62
62
62

Pressure (mb)

1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

298
296
299
302
300
303
305
306
309
313
314
312
309
311
317
325
326
326
329
331
334
338
341
343

Friday 21

Waxing Crescent 2%

No Rise

17:07

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:12, Set: 16:46, Transit: 11:58. Moon - Rise: No Rise, Set: 17:07. Civil Dark: 17:17 - 06:41. Nautical Dark: 17:51 - 06:07. Astro Dark: 18:24 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
78
100
100
100
98
100
100
99
98
97
99
99
100
100
82
53
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
15
9
16
60
51
50
4
5
4
9
15
23
28
39
34
35
23
19
57
65
39
30
18

Medium Clouds (% Sky Obscured)

100
100
100
57
100
100
100
96
100
100
98
96
94
93
91
90
93
74
53
100
100
100
100
100

High Clouds (% Sky Obscured)

80
66
65
60
65
65
79
72
77
100
82
66
56
73
91
47
20
20
20
35
35
30
35
50

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
20
25
29
19
9
5
5
7
10
27
52
53
63
45
24
31
46
53
70
63
53
48
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
13
13
13
15
13
11
10
11
11
12
11
10
9
7
7
7
5
5
7
8
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
5
6
8
8
7
7
8
7
8
7
7
6
5
5
5
5
5
3
2
1

Dew Point (°C)

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

Relative Humidity (%)

60
60
55
59
76
71
65
66
71
76
77
77
78
78
78
78
78
78
81
81
82
73
70
71

Pressure (mb)

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

Ozone (du)

345
350
355
358
358
358
360
356
356
356
355
357
357
361
357
357
355
362
363
360
357
354
352
354

Saturday 22

Waxing Crescent 5%

09:30

17:54

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

Sun - Rise: 07:13, Set: 16:46, Transit: 11:59. Moon - Rise: 09:30, Set: 17:54. Civil Dark: 17:16 - 06:42. Nautical Dark: 17:50 - 06:08. Astro Dark: 18:24 - 05:34

Total Clouds (% Sky Obscured)

100
96
92
44
41
50
50
50
45
40
32
26
17
17
13
9
13
19
31
49
61
80
91
96

Low Clouds (% Sky Obscured)

12
9
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
23
31
39
54

Medium Clouds (% Sky Obscured)

100
96
92
26
16
18
15
15
15
15
12
9
5
6
5
4
2
1
0
19
40
66
76
86

High Clouds (% Sky Obscured)

15
18
13
5
19
32
50
50
45
40
27
21
3
3
1
0
6
16
31
36
48
57
77
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
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
50
40
9
17
19
7
16
17
11
26
21
7
11
10
2
5
6
2
3
3
0
13
20

Precipitation Amount (mm)

0
0.2
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)

13
13
15
17
18
18
16
15
15
15
13
12
11
10
9
8
8
7
7
7
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
59
52
50
50
51
53
56
56
55
54
53
56
59
61
62
62
62
63
59
55
52
53

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

353
350
350
349
341
333
330
332
331
331
337
342
339
335
332
333
337
337
338
338
340
341
343
346

Sunday 23

Waxing Crescent 10%

10:21

18:50

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
03 Bad
04 Bad
05 OK
06 OK
07 Bad
08 Bad

Sun - Rise: 07:14, Set: 16:45, Transit: 11:59. Moon - Rise: 10:21, Set: 18:50. Civil Dark: 17:16 - 06:43. Nautical Dark: 17:50 - 06:09. Astro Dark: 18:23 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
98
85
73
60
73
86
99
92
85
78
70
62
54
47
39
26
31
42

Low Clouds (% Sky Obscured)

60
77
79
85
89
89
89
80
70
60
62
65
68
70
72
74
64
55
45
31
17
3
6
9

Medium Clouds (% Sky Obscured)

96
96
96
96
85
78
70
48
24
1
7
13
21
15
9
12
19
20
20
25
28
20
10
9

High Clouds (% Sky Obscured)

98
99
99
100
92
85
77
49
25
0
12
23
34
24
14
6
5
4
4
5
4
0
13
26

ISS Passover

Visibility (miles)

9
9
7
5
3
3
4
4
4
3
2
5
7
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
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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
70
95
95
95
95
95
95
95
95
84
80
80
64
53
46
36
26
20
13
5
3
9
10

Precipitation Amount (mm)

0
0.4
0.9
1.5
1.8
1.9
1.5
0.8
0.7
0.8
0.5
0.5
0.6
0.3
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
12
15
13
12
13
9
7
9
8
9
9
10
10
11
10
10
10
10
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-1
2
4
7
8
8
9
8
9
8
8
8
8
7
6
6
6
5
5
5
5
6
6

Relative Humidity (%)

55
56
65
75
88
84
80
76
80
85
88
90
90
90
88
87
84
84
82
81
84
85
88
84

Pressure (mb)

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

Ozone (du)

350
353
355
357
359
357
354
352
350
348
347
344
342
340
343
346
348
342
335
329
327
326
325
323

Monday 24

Waxing Crescent 16%

11:04

19:52

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:15, Set: 16:44, Transit: 11:59. Moon - Rise: 11:04, Set: 19:52. Civil Dark: 17:15 - 06:44. Nautical Dark: 17:49 - 06:10. Astro Dark: 18:23 - 05:36

Total Clouds (% Sky Obscured)

49
64
82
100
98
98
96
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
4
1
1
1
0
0
4
4
4
3
3
2
18
34
50
67
83
100
96
92
86

Medium Clouds (% Sky Obscured)

9
10
11
16
40
55
77
73
68
64
65
66
67
78
89
100
80
60
40
43
47
50

High Clouds (% Sky Obscured)

40
60
79
99
97
95
93
96
98
100
100
100
100
100
100
100
77
54
31
35
40
44

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

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

Precipitation Probability (%)

11
24
36
48
56
68
83
80
81
85
79
72
65
69
66
55
81
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.3
0.2
0.4
0.6
0.6
0.7
1
0.7
0.5
0.4
0.4
0.4
0
0.4
0.8
1.1
0.9
0.8
0.7

Wind Speed/Direction (mph)

11
11
11
11
11
11
10
10
9
8
8
7
8
8
9
9
11
11
12
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
71
67
64
65
67
69
71
73
77
78
80
80
81
81
83
83
86
86
84
83

Pressure (mb)

1013
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1005
1004
1003
1003

Ozone (du)

321
319
317
315
314
315
317
318
319
320
321
321
320
319
318
317
316
316
316
315
316
316

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

Generated: 18/11/25 09:30:41. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+1.00