Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 0%

07:26

16:26

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:06, Set: 16:45, Transit: 11:55. Moon - Rise: 07:26, Set: 16:26. Civil Dark: 17:15 - 06:36. Nautical Dark: 17:49 - 06:02. Astro Dark: 18:22 - 05:28

Total Clouds (% Sky Obscured)

66
66
72
78
99
98
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
53
64
78
87
67
48
86
100
96
92
85
71
32
20
31
42
43
28
57
74
77
78
78

Medium Clouds (% Sky Obscured)

39
37
45
52
92
57
34
47
63
91
97
98
100
91
81
100
100
100
97
100
97
100
100
100

High Clouds (% Sky Obscured)

0
5
2
6
64
84
61
100
100
100
100
100
100
100
100
100
100
100
100
100
100
58
100
90

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
6
5
3
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
88
95
88
91
95
95
95
95
73
44
24
11
4
3
2
1
4
4
4
6
12

Precipitation Amount (mm)

0
0
0
0.8
0.8
0.8
0.8
0.9
1
1.6
1.8
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
80
81
78
80
74
69
70
78
82
71
67
63
60
59
59
57
56
58
60
56
57
59

Pressure (mb)

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

Ozone (du)

286
285
283
283
286
289
290
290
294
298
303
306
299
301
303
304
304
304
305
312
317
316
314
316

Friday 21

Waxing Crescent 2%

08:28

17:05

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 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)

100
100
100
100
100
47
63
76
100
100
72
87
92
76
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
71
77
33
31
39
63
76
62
19
16
30
22
16
20
24
69
83
71
87
86
99
94
100

Medium Clouds (% Sky Obscured)

100
88
100
100
100
47
63
76
100
100
40
55
82
57
100
100
100
100
100
100
100
100
79
50

High Clouds (% Sky Obscured)

94
100
100
100
100
0
0
0
43
100
7
87
92
76
5
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
8
6
9
7
8
7
3
3
1
5
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
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
9
6
7
6
7
8
12
12
6
16
43
39
36
40
57
70
80
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
1.2
1.7
2.2
2.4
0.8
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
56
52
49
48
46
44
43
45
46
49
55
66
67
68
67
71
76
77
80
87
90
85
81

Pressure (mb)

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

Ozone (du)

319
321
327
331
336
341
346
346
347
348
353
357
359
346
339
337
336
338
341
344
350
351
359
361

Saturday 22

Waxing Crescent 5%

09:26

17:52

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

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
97
100
100
93
94
91
79
84
100
81
95
99
100
71
65
71
68
63
67
68
53

Low Clouds (% Sky Obscured)

100
88
63
43
45
53
55
71
60
50
30
23
18
12
14
20
26
30
37
32
32
28
28
24

Medium Clouds (% Sky Obscured)

75
100
100
92
100
100
57
81
82
48
72
100
75
80
89
89
45
43
45
48
48
36
36
27

High Clouds (% Sky Obscured)

100
100
100
97
100
100
7
7
52
6
0
0
0
3
26
4
0
0
16
39
26
13
0
0

ISS Passover

Visibility (miles)

3
3
5
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
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
85
54
48
50
37
24
22
17
14
9
10
15
21
19
12
14
15
19
11
23

Precipitation Amount (mm)

1.9
2.3
2.6
1.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
78
75
70
64
59
56
56
56
56
59
61
63
65
67
66
64
63
62
60
62
65
66

Pressure (mb)

1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1011
1011
1012
1013
1013
1014
1014
1014
1015
1015
1015

Ozone (du)

363
362
361
359
358
363
361
363
364
356
352
349
350
352
349
349
352
354
356
362
362
361
362
361

Sunday 23

Waxing Crescent 10%

10:17

18:48

05 Bad
06 OK
07 OK
08 Good
09 Good
10 Good
11 OK
12 OK
13 OK
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

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)

38
22
13
7
0
3
40
40
40
51
56
72
86
97
94
91
88
91
96
100
100
100
100
95

Low Clouds (% Sky Obscured)

21
16
10
5
0
0
0
0
0
1
1
10
21
77
79
82
82
82
83
84
83
80
81
77

Medium Clouds (% Sky Obscured)

11
0
0
0
0
0
0
40
40
11
25
20
29
31
25
31
28
35
48
59
59
64
60
61

High Clouds (% Sky Obscured)

0
0
0
0
0
1
20
25
17
25
30
40
60
13
0
1
1
11
24
35
37
100
51
20

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 (%)

24
6
8
3
1
0
0
0
0
0
1
7
13
18
25
28
44
51
40
33
33
29
16
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
64
56
47
40
36
33
33
34
37
40
44
44
43
43
47
51
53
54
55
61
67

Pressure (mb)

1016
1016
1017
1017
1018
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

363
366
366
363
356
353
356
358
358
359
357
359
360
360
358
354
349
346
348
347
347
347
344
344

Monday 24

Waxing Crescent 16%

11:01

19:50

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:11, Set: 16:42, Transit: 11:56. Moon - Rise: 11:01, Set: 19:50. Civil Dark: 17:13 - 06:40. Nautical Dark: 17:47 - 06:06. Astro Dark: 18:20 - 05:32

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
98
97
95
97
98
100
76
64
47
62
76
92
94
96
97
98

Low Clouds (% Sky Obscured)

80
61
80
81
82
85
86
89
83
78
76
79
85
89
61
53
46
45
44
42
50
59
67
64

Medium Clouds (% Sky Obscured)

53
40
38
38
39
34
27
97
95
95
94
97
97
98
64
33
1
23
45
67
78
89
97
98

High Clouds (% Sky Obscured)

19
95
100
100
98
100
100
100
91
84
76
78
87
100
69
37
6
28
49
71
81
90
97
90

ISS Passover

Visibility (miles)

9
9
8
9
8
5
5
7
4
1
2
2
2
2
2
4
7
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

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

Precipitation Probability (%)

61
71
95
95
95
95
95
95
95
95
95
95
95
95
95
80
50
36
26
17
22
22
16
43

Precipitation Amount (mm)

0.2
0
0.5
0.7
0.7
1.1
1
1.1
3.6
3.2
2.1
2.9
2
2.1
0.9
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
73
77
80
86
87
86
83
89
93
84
90
86
82
76
71
66
64
63
61
60
60
60

Pressure (mb)

1013
1013
1013
1012
1012
1012
1011
1010
1009
1008
1007
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

339
334
328
325
323
320
321
320
321
322
324
329
332
341
341
339
337
335
334
334
333
331
329
328

Tuesday 25

Waxing Crescent 24%

11:36

20:56

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:12, Set: 16:42, Transit: 11:57. Moon - Rise: 11:36, Set: 20:56. Civil Dark: 17:12 - 06:41. Nautical Dark: 17:47 - 06:07. Astro Dark: 18:20 - 05:33

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
91
88
89
96
99
100

Low Clouds (% Sky Obscured)

63
63
61
59
54
54
44
36
28
24
22
37
49
59
66
70
76
73
68
70
75
93
98
98

Medium Clouds (% Sky Obscured)

98
97
85
74
67
79
90
100
100
100
100
92
89
83
86
92
99
95
91
88
89
93
96
94

High Clouds (% Sky Obscured)

78
65
70
83
100
100
100
100
100
100
100
90
79
69
78
89
95
90
90
88
85
85
85
85

ISS Passover

Visibility (miles)

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

Very Light Rain
None
Very 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

Precipitation Probability (%)

53
54
68
81
94
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.2
0
0.3
0.5
0.6
1.1
1.5
1.4
1.4
1.4
1.3
1.7
1.8
1.6
1.2
1
0.9
0.8
0.9
1.4
1.3
1
1.2
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
62
64
64
64
63
64
66
67
68
69
70
74
78
82
84
89
92
92
92
92
92
92
93

Pressure (mb)

1005
1005
1005
1005
1004
1004
1003
1002
1002
1001
1001
1000
1000
1001
1001
1001
1001
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

327
326
325
327
328
330
336
342
347
346
344
343
343
344
345
342
340
337
336
335
334
334
334
333

Wednesday 26

Waxing Crescent 34%

12:06

22:04

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:13, Set: 16:41, Transit: 11:57. Moon - Rise: 12:06, Set: 22:04. 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
99
96
94
96
98
100
100
100
100
97
95
92

Low Clouds (% Sky Obscured)

98
98
98
98
98
98
98
98
98
96
94
94
95
99
100
100
100
97
94
92

Medium Clouds (% Sky Obscured)

96
100
96
92
88
92
96
100
90
80
69
74
79
84
68
51
34
30
26
22

High Clouds (% Sky Obscured)

90
95
95
100
100
100
100
99
89
78
64
51
45
38
29
27
24
20
12
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
81
95
95
90
78
73
60
81
95
95
95
95
88
81
67
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
87
87
87
88
87
86
86
87
87
87
88
88
88
87
85
85
84

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1006
1007

Ozone (du)

334
334
334
334
334
334
336
338
340
340
340
340
339
339
338
340
342
344
345
346

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

Generated: 20/11/25 05:57:07. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+1.00