Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Crescent 5%

09:26

17:05

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:08, Set: 16:44, Transit: 11:56. Moon - Rise: 09:26, Set: 17:05. Civil Dark: 17:14 - 06:38. Nautical Dark: 17:48 - 06:04. Astro Dark: 18:22 - 05:30

Total Clouds (% Sky Obscured)

52
70
72
100
100
100
100
100
100
100
100
73
95
100
100
100
100
100
100
100
100
99
61
65

Low Clouds (% Sky Obscured)

21
14
16
28
88
17
74
67
89
93
94
50
90
94
36
92
90
84
24
22
15
16
17
16

Medium Clouds (% Sky Obscured)

52
70
72
100
100
100
100
100
100
100
100
61
60
99
100
100
100
100
100
100
100
99
61
60

High Clouds (% Sky Obscured)

52
70
72
100
100
100
100
100
100
100
100
73
95
100
100
100
100
100
100
100
100
99
61
54

ISS Passover

Visibility (miles)

9
9
9
7
3
3
7
4
4
1
1
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
1
1
2
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

3
2
0
95
69
88
87
74
95
95
95
95
95
95
85
50
42
41
43
44
41
55
45
30

Precipitation Amount (mm)

0
0
0
1.3
0.5
1
0.8
0.5
1.9
6.4
6.2
0.5
0.5
0.8
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
2
3
4
4
2
3
4
4
5
4
4
5
4
3
2
3
3
6
6
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
2
3
5
5
5
5
5
5
6
7
6
6
6
5
5
5
5
4
4
4
4
3
4

Relative Humidity (%)

38
46
55
71
72
73
74
75
78
88
93
88
88
90
87
88
87
85
79
75
72
67
64
69

Pressure (mb)

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

Ozone (du)

354
356
355
346
340
341
340
340
337
337
340
348
351
353
350
349
353
356
356
355
359
358
355
350

Saturday 22

Waxing Crescent 10%

10:17

17:52

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 07:09, Set: 16:43, Transit: 11:56. Moon - Rise: 10:17, Set: 17:52. Civil Dark: 17:14 - 06:39. Nautical Dark: 17:48 - 06:05. Astro Dark: 18:21 - 05:31

Total Clouds (% Sky Obscured)

100
100
79
71
97
84
58
12
4
1
0
0
0
0
0
0
0
17
6
8
22
35
90
74

Low Clouds (% Sky Obscured)

13
6
74
6
3
0
0
3
2
0
0
0
0
0
0
0
0
0
4
3
22
35
60
74

Medium Clouds (% Sky Obscured)

100
100
78
56
95
84
58
12
4
0
0
0
0
0
0
0
0
0
0
1
2
35
89
70

High Clouds (% Sky Obscured)

11
45
6
71
97
6
4
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
1
4
8
13
18
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 (%)

17
6
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
22

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)

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

Chance of Frost

Temperature (°C)

8
8
7
7
6
5
5
5
5
4
4
4
4
3
3
3
2
2
4
6
8
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
79
81
78
76
76
78
75
72
71
69
72
75
76
79
80
83
80
69
57
47
42
39
41

Pressure (mb)

1012
1013
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1020
1020
1019
1018

Ozone (du)

346
343
344
346
346
346
346
348
350
359
358
352
352
354
357
365
366
363
356
355
357
356
354
353

Sunday 23

Waxing Crescent 9%

11:01

18:48

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:11, Set: 16:43, Transit: 11:56. Moon - Rise: 11:01, Set: 18:48. Civil Dark: 17:13 - 06:40. Nautical Dark: 17:47 - 06:06. Astro Dark: 18:21 - 05:32

Total Clouds (% Sky Obscured)

58
65
99
96
58
83
98
85
95
70
95
100
100
100
100
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
12
60
3
11
52
80
83
95
29
46
89
85
89
98
96
92
94
93
76
87
81
82
84

Medium Clouds (% Sky Obscured)

58
40
40
34
28
36
43
29
35
16
30
45
34
34
38
53
55
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
96
0
7
58
12
0
0
34
100
100
100
100
6
5
64
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

13
12
7
2
4
6
6
9
10
7
7
15
40
60
87
89
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.5
0.6
0.8
0.9
1.1
0.5
0.9
1.1
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
65
70
70
73
75
74
71
71
73
79
81
78
81
87
90
88
90
90
90
89
89
92
92

Pressure (mb)

1018
1018
1018
1017
1017
1018
1018
1018
1018
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1011
1010
1009
1008

Ozone (du)

356
356
355
353
351
348
345
343
339
332
329
325
322
320
320
320
322
324
322
322
319
321
323
322

Monday 24

Waxing Crescent 16%

11:36

19:50

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:12, Set: 16:42, Transit: 11:57. Moon - Rise: 11:36, Set: 19:50. Civil Dark: 17:13 - 06:41. Nautical Dark: 17:47 - 06:07. Astro Dark: 18:20 - 05:33

Total Clouds (% Sky Obscured)

100
100
99
99
99
92
96
89
98
99
99
100
100
100
100
100
94
89
84
90
95
100
92
86

Low Clouds (% Sky Obscured)

88
86
85
86
86
63
81
64
55
50
42
52
43
39
46
51
82
80
77
79
79
83
81
75

Medium Clouds (% Sky Obscured)

100
99
98
98
91
76
78
48
81
77
36
66
75
63
39
82
80
74
71
61
53
45
45
45

High Clouds (% Sky Obscured)

100
68
37
5
29
53
75
76
87
91
99
100
100
100
100
100
88
77
65
77
88
100
90
80

ISS Passover

Visibility (miles)

3
4
4
4
8
4
9
3
6
6
7
7
4
4
8
5
4
3
3
3
2
1
2
2

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
93
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.4
1.4
1.1
0.7
0.9
0.8
0.9
0.9
0.7
0.8
0.6
0.6
0.9
0.9
0.9
1.5
1.4
1.4
1.3
1.7
1.5
1.6
2.8
3.4

Wind Speed/Direction (mph)

9
9
8
7
6
6
6
6
6
6
7
7
7
7
7
8
8
8
8
10
11
12
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
14
14
14

Relative Humidity (%)

93
90
95
96
96
96
96
96
96
98
95
95
95
95
93
93
93
93
92
92
92
93
92
90

Pressure (mb)

1008
1007
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1002
1001
1001
1000
1000
1000
1000
999
999
998
998

Ozone (du)

321
320
319
322
321
321
321
319
314
314
312
313
313
313
312
313
312
314
315
319
324
328
330
333

Tuesday 25

Waxing Crescent 24%

12:06

20:56

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:13, Set: 16:42, Transit: 11:57. Moon - Rise: 12:06, Set: 20:56. Civil Dark: 17:12 - 06:42. Nautical Dark: 17:47 - 06:08. Astro Dark: 18:20 - 05:34

Total Clouds (% Sky Obscured)

82
85
89
92
40
88
83
59
81
82
82
76
83
81
80
78
98
98
97
89
81
72
80
84

Low Clouds (% Sky Obscured)

72
76
77
82
40
74
54
45
69
70
60
66
71
70
67
66
83
89
91
82
72
61
56
49

Medium Clouds (% Sky Obscured)

50
67
77
85
14
75
70
33
75
76
82
17
3
81
77
78
67
37
7
6
6
6
19
31

High Clouds (% Sky Obscured)

55
85
85
58
0
0
52
0
0
0
3
3
0
46
41
30
61
30
0
1
1
2
14
27

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
63
51
45
45
38
35
14
25
26
32
51
59
38
52
58
66
65
70
76
82
76

Precipitation Amount (mm)

1.2
1.4
0.9
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0.2
0.3
0.3
0.4
0.4
0.6
0.5

Wind Speed/Direction (mph)

13
10
7
7
7
7
5
3
6
9
10
9
9
9
8
8
8
10
10
10
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
12
9
8
8
9
8
7
5
4
5
3
3
3
2
2
4
4
4
4
4
5
5

Relative Humidity (%)

93
92
90
79
76
83
87
87
80
68
67
70
67
66
64
62
61
60
60
59
58
58
58
61

Pressure (mb)

998
998
998
999
1000
1001
1002
1003
1003
1003
1003
1004
1005
1005
1006
1006
1007
1004
1005
1006
1006
1006
1006
1006

Ozone (du)

334
338
338
349
358
349
346
346
345
345
344
344
344
343
342
342
344
344
343
343
345
347
349
348

Wednesday 26

Waxing Crescent 34%

12:31

22:04

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:14, Set: 16:41, Transit: 11:57. Moon - Rise: 12:31, Set: 22:04. Civil Dark: 17:12 - 06:43. Nautical Dark: 17:46 - 06:09. Astro Dark: 18:20 - 05:35

Total Clouds (% Sky Obscured)

85
88
93
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)

44
47
50
54
57
59
59
60
60
59
60
60
55
55
45
45
35
26
17
13
9
3
6
7

Medium Clouds (% Sky Obscured)

44
54
65
78
83
93
100
100
100
100
100
100
100
94
84
74
66
54
45
60
75
90
93
96

High Clouds (% Sky Obscured)

40
60
79
100
100
100
100
100
100
100
100
100
100
99
97
96
88
80
73
82
91
100
96
92

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

70
61
49
45
42
46
55
70
63
64
78
88
95
80
57
26
39
43
11
38
47
48
53
52

Precipitation Amount (mm)

0.4
0.3
0
0
0
0
0.2
0.4
0.2
0.2
0.4
0.6
1.5
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
72
76
78
80
79
79
84
85
88
88
90
91
90
88
88
82
77
72
70
66
64
67

Pressure (mb)

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

Ozone (du)

348
348
347
346
345
345
344
344
347
349
351
351
350
350
349
348
347
347
346
345
346
347
348
350

Thursday 27

Waxing Crescent 44%

12:54

23:12

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

Sun - Rise: 07:15, Set: 16:41, Transit: 11:58. Moon - Rise: 12:54, Set: 23:12. Civil Dark: 17:11 - 06:44. Nautical Dark: 17:46 - 06:10. Astro Dark: 18:19 - 05:36

Total Clouds (% Sky Obscured)

100
98
96
95
67
40
12
30
48
63
61
55
49
46
43
40
32
24
15
17
19
21

Low Clouds (% Sky Obscured)

10
7
4
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
3
4

Medium Clouds (% Sky Obscured)

100
98
96
94
64
35
5
17
29
40
29
18
6
6
6
6
6
7
8
9
10
11

High Clouds (% Sky Obscured)

89
82
76
70
47
26
5
25
44
63
61
55
49
46
42
35
26
16
5
5
5
5

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

Precipitation Probability (%)

50
49
41
16
33
33
7
29
32
2
7
6
1
9
6
1
21
8
1
24
6
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

Wind Speed/Direction (mph)

7
7
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
73
76
78
80
82
84
87
87
88
88
88
88
88
88
86
86
81
74
69
66
61

Pressure (mb)

1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1015

Ozone (du)

352
354
354
355
355
356
356
356
356
356
356
355
353
352
350
349
347
345
343
341
339
338

Forecast for Monti, Province of Rome, Italy (41.90,12.50)

Generated: 21/11/25 15:20:07. Forecast: 21/11/25 to 27/11/25. Timezone: UTC+1.00