Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 2%

08:28

17:05

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 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:07, Set: 16:44, Transit: 11:56. Moon - Rise: 08:28, Set: 17:05. Civil Dark: 17:14 - 06:37. Nautical Dark: 17:49 - 06:03. Astro Dark: 18:22 - 05:30

Total Clouds (% Sky Obscured)

89
92
94
95
100
100
100
100
100
100
100
100
100
100
33
48
59
62
97
90
84
46
46
100

Low Clouds (% Sky Obscured)

9
12
25
31
24
36
59
64
48
36
47
58
60
33
11
48
59
62
21
5
3
3
3
5

Medium Clouds (% Sky Obscured)

57
65
94
82
100
100
100
100
100
100
100
100
100
100
33
48
59
62
94
80
72
46
46
100

High Clouds (% Sky Obscured)

89
92
94
95
100
100
100
100
100
100
100
100
100
0
0
0
0
0
33
90
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
6
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
4
1
2
4
5
7
25
24
14
11
9
7
12
23
26
20
17
6
11
11
25

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
61
62
60
59
58
57
58
60
60
64
63
57
55
51
49
48
50
48
45
46
53
60
61

Pressure (mb)

1007
1007
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1007
1008
1008
1007
1007
1007
1008
1008
1008

Ozone (du)

305
305
303
304
302
307
317
316
318
322
320
319
324
329
331
335
336
336
332
333
338
339
343
338

Friday 21

Waxing Crescent 5%

09:26

17:52

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
15 Bad
16 OK
17 Good
18 OK

Sun - Rise: 07:08, Set: 16:43, Transit: 11:56. Moon - Rise: 09:26, Set: 17:52. Civil Dark: 17:14 - 06:38. Nautical Dark: 17:48 - 06:04. Astro Dark: 18:21 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
94
86
99
100
100
100
100
100
97
100
41
13
35

Low Clouds (% Sky Obscured)

6
6
37
54
78
83
80
63
60
58
46
9
29
12
15
29
25
24
37
29
22
4
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
78
57
89
59
98
100
100
100
100
100
95
100
30
13
35

High Clouds (% Sky Obscured)

0
0
0
0
6
0
0
0
0
0
0
0
0
0
3
0
0
0
0
40
6
5
0
0

ISS Passover

Visibility (miles)

9
7
4
4
3
2
5
5
3
4
4
5
7
5
9
9
6
9
9
5
5
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

35
55
64
73
83
95
95
89
69
63
64
53
55
44
36
41
51
53
66
59
36
11
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
64
72
77
76
77
74
72
62
57
57
62
65
70
68
62
56
52
51
51
56
62
65
66

Pressure (mb)

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

Ozone (du)

333
333
334
338
340
343
346
349
350
354
357
358
357
358
359
360
363
364
364
360
357
356
356
355

Saturday 22

Waxing Crescent 10%

10:17

18:48

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

Sun - Rise: 07:09, Set: 16:43, Transit: 11:56. Moon - Rise: 10:17, Set: 18:48. Civil Dark: 17:13 - 06:39. Nautical Dark: 17:48 - 06:05. Astro Dark: 18:21 - 05:31

Total Clouds (% Sky Obscured)

39
42
24
17
0
48
1
2
2
1
1
1
1
1
0
0
1
23
18
17
17
35
52
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
2
4
13
22
32

Medium Clouds (% Sky Obscured)

39
42
24
10
0
32
0
2
2
1
0
0
0
0
0
0
1
19
12
4
0
14
22
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
13
9
4
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 (%)

1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
2
3
3
2
1
1
1
1
1
1
1
2
4
6
7
8
9
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

68
66
65
67
68
70
69
69
69
71
72
72
73
70
62
53
45
39
35
34
35
40
42
42

Pressure (mb)

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

Ozone (du)

355
354
355
355
356
363
365
368
372
371
368
364
363
366
363
363
363
364
364
363
362
364
366
367

Sunday 23

Waxing Crescent 16%

11:01

No Set

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:11, Set: 16:42, Transit: 11:56. Moon - Rise: 11:01, Set: No Set. Civil Dark: 17:13 - 06:40. Nautical Dark: 17:47 - 06:06. Astro Dark: 18:20 - 05:32

Total Clouds (% Sky Obscured)

62
65
97
98
99
100
98
97
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
32
84
88
91
94
95
94
94
88
81
76
82
88
78
93
83
92
91
89
87
86
85
83

Medium Clouds (% Sky Obscured)

25
26
27
32
34
35
33
41
39
26
20
13
22
35
58
100
100
100
100
100
100
99
98
97

High Clouds (% Sky Obscured)

2
4
5
4
2
0
14
28
40
69
44
94
41
95
100
100
100
100
100
100
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
8
2
2
2
2
1
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain

Precipitation Probability (%)

15
20
23
44
59
67
76
80
77
65
52
43
54
56
68
81
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.4
0.4
0.3
0
0
0
0
0
0.4
0.6
1.7
3.7
2.6
1.9
2.4
4.2
2.1

Wind Speed/Direction (mph)

4
5
5
6
7
7
8
9
9
10
10
10
11
11
10
11
11
13
14
14
15
15
15
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-3
-3
-3
-2
-1
-1
1
3
3
4
5
6
7
7
8
9
11
12
12
12
13
12

Relative Humidity (%)

41
42
44
42
43
46
47
47
53
60
63
65
66
67
70
69
70
71
84
92
84
86
90
86

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1013
1013
1012
1011
1010
1009
1008
1008
1007
1007

Ozone (du)

362
356
349
343
341
338
337
333
333
336
337
336
334
330
328
329
330
329
327
325
326
329
328
338

Monday 24

Waxing Crescent 24%

11:36

19:50

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
15 Bad
16 Bad
17 Bad
18 Bad

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

Total Clouds (% Sky Obscured)

100
100
96
100
100
100
100
100
90
100
100
100
96
98
100
99
99
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

81
79
68
76
73
68
69
66
53
51
60
30
32
41
49
48
47
46
45
47
49
50
48
43

Medium Clouds (% Sky Obscured)

92
86
72
82
74
58
93
90
72
13
19
96
68
40
12
25
44
62
75
87
100
100
100
100

High Clouds (% Sky Obscured)

100
100
26
82
100
100
100
95
39
100
100
100
96
98
100
99
97
96
97
99
100
100
100
100

ISS Passover

Visibility (miles)

2
3
3
4
4
4
4
7
7
9
3
3
9
9
8
7
7
6
6
6
5
5
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
81
76
86
72
56
58
58
72
90
95
95
95
95
95
95
95

Precipitation Amount (mm)

2
1.8
1.7
1.7
1.3
1.1
0.7
0.5
0.3
0.3
0.6
0.2
0.2
0.2
0
0.3
0.5
0.7
1.2
1.3
1.1
1.2
1.1
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
14
15
14
14
14
14
14
14
14
15
15
15
15
15
15
14
14
14

Feels Like (°C)

11
11
11
11
12
11
11
11
11
11
11
10
10
10
10
11
11
12
12
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

84
78
75
79
79
78
78
70
70
75
76
70
67
65
64
63
63
64
65
66
67
68
70
71

Pressure (mb)

1006
1006
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

339
337
334
333
332
334
337
336
336
333
333
333
332
331
331
331
339
346
353
353
352
351
351
351

Tuesday 25

Waxing Crescent 34%

12:06

20:56

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:13, Set: 16:41, Transit: 11:57. Moon - Rise: 12:06, Set: 20:56. Civil Dark: 17:12 - 06:42. Nautical Dark: 17:46 - 06:08. Astro Dark: 18:20 - 05:34

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)

48
52
57
66
76
88
91
93
94
91
88
83
76
73
71
74
77
81
81
82
78
61
44
27

Medium Clouds (% Sky Obscured)

88
76
67
78
88
96
98
99
100
100
100
100
100
100
100
100
100
99
96
94
94
96
99
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
93
95

ISS Passover

Visibility (miles)

6
5
5
4
3
3
2
4
6
7
8
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate 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

Precipitation Probability (%)

85
71
67
81
88
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.6
0.4
0.3
0.5
0.5
0.5
1.3
2.1
3.1
2.3
1.5
0.8
1
1.1
0.6
1.4
1.7
1.1
1.1
1.1
1
1
0.9
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
12
12
12
12
12
11
11
12
12
12
12
11
11
10
11
11
11
12
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

74
76
79
82
84
86
89
87
89
89
87
87
86
82
78
73
73
71
70
71
72
75
77
80

Pressure (mb)

1004
1004
1003
1003
1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
999
999
999
999
998
998
999
999
1000
1001

Ozone (du)

351
348
346
343
341
339
337
338
339
340
339
338
338
338
338
339
339
338
338
340
342
345
348
350

Wednesday 26

Waxing Crescent 44%

12:31

22:04

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 OK
10 OK
11 OK
12 Good

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: 18:19 - 05:35

Total Clouds (% Sky Obscured)

86
72
58
62
65
69
79
90
98
98
98
97
78
52
30
20
11
2

Low Clouds (% Sky Obscured)

20
13
6
27
47
67
76
86
96
91
92
95
74
52
30
20
10
0

Medium Clouds (% Sky Obscured)

77
53
30
20
10
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
69
54
36
18
0
0
0
5
14
13
12
4
5
5
10
11
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

83
67
39
34
30
17
23
21
18
20
26
19
15
9
5
12
11
8

Precipitation Amount (mm)

0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
88
85
84
83
81
80
80
78
77
77
72
70
65
62
59

Pressure (mb)

1002
1003
1004
1005
1006
1006
1006
1007
1007
1007
1008
1008
1009
1009
1009
1010
1009
1009

Ozone (du)

353
356
358
361
360
360
360
360
360
360
359
358
357
357
356
356
355
353

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

Generated: 20/11/25 19:15:04. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+1.00