Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 35%

02:04

11:58

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

Sun - Rise: 07:36, Set: 17:01, Transit: 12:18. Moon - Rise: 02:04, Set: 11:58. Civil Dark: 17:31 - 07:05. Nautical Dark: 18:06 - 06:30. Astro Dark: 18:39 - 05:57

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
8
17
13
39
35
61
79
100
100
55
17
33
54
85
79
78
76
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
2
3
2
2
17
25
11
21
47
82
79
74
76
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
0
3
52
100
29
3
1
0
16
20
18
0
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
6
17
0
3
7
40
67
100
88
0
0
0
0
20
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
4
5
4
4
5
4
4
4
4
5
6
6
7
7
5
4
5
6
5
5
5
6
6

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
3
3
4
6
8
9
10
11
11
11
9
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
64
64
67
68
69
73
76
72
66
64
64
61
57
55
56
67
71
71
69
69
70
68

Pressure (mb)

1024
1024
1024
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

357
353
344
340
337
332
329
327
325
323
322
324
322
322
326
331
330
331
331
330
330
328
328
331

Tuesday 13

Waning Crescent 26%

03:08

12:27

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
22 Bad
23 Bad

Sun - Rise: 07:35, Set: 17:02, Transit: 12:18. Moon - Rise: 03:08, Set: 12:27. Civil Dark: 17:32 - 07:04. Nautical Dark: 18:07 - 06:30. Astro Dark: 18:40 - 05:57

Total Clouds (% Sky Obscured)

99
96
100
92
94
100
100
77
68
72
71
81
90
89
83
84
89
62
82
56
78
71
53
91

Low Clouds (% Sky Obscured)

97
93
80
90
92
100
100
77
68
72
68
48
29
43
83
84
89
62
82
56
78
71
53
50

Medium Clouds (% Sky Obscured)

4
16
10
11
3
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
51
0
0
0
0
6
32
0
0
9
54
76
63
40
6
0
0
2
3
0
1
2
2

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
1
4
13
17
3
3
3
3
3
1
1
2
3
2
4
12
8
5
14
5
7

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
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
62
65
65
65
68
69
70
70
66
63
60
59
61
66
71
76
79
78
77
78
77
76

Pressure (mb)

1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

329
328
327
327
328
327
328
327
326
327
329
331
333
334
334
336
337
337
337
337
338
339
341
341

Wednesday 14

Waning Crescent 18%

04:11

13:01

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
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

Sun - Rise: 07:35, Set: 17:03, Transit: 12:19. Moon - Rise: 04:11, Set: 13:01. Civil Dark: 17:33 - 07:04. Nautical Dark: 18:08 - 06:30. Astro Dark: 18:41 - 05:56

Total Clouds (% Sky Obscured)

85
74
85
85
70
87
60
39
50
52
61
81
79
82
84
98
99
98
87
91
93
96
94
93

Low Clouds (% Sky Obscured)

53
71
85
85
70
87
55
24
32
36
41
57
76
82
84
64
87
88
79
48
43
49
56
60

Medium 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

High Clouds (% Sky Obscured)

6
17
7
4
11
9
0
0
0
11
5
1
0
0
0
98
99
86
27
18
9
0
15
30

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 (%)

18
15
14
4
4
5
12
1
3
2
4
11
5
15
3
14
5
9
2
3
4
2
8
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
81
81
83
84
83
85
85
81
76
72
70
70
70
70
70
71
72
75
76
76
76
76

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

341
342
341
341
341
340
341
341
340
337
337
337
336
335
335
334
332
331
333
336
338
339
340
339

Thursday 15

Waning Crescent 11%

05:12

13:43

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
22 Bad
23 Bad

Sun - Rise: 07:34, Set: 17:04, Transit: 12:19. Moon - Rise: 05:12, Set: 13:43. Civil Dark: 17:35 - 07:04. Nautical Dark: 18:09 - 06:29. Astro Dark: 18:42 - 05:56

Total Clouds (% Sky Obscured)

92
94
96
98
96
94
92
89
86
83
89
93
96
89
86
61
96
93
88
86
83
81
89
95

Low Clouds (% Sky Obscured)

57
57
55
53
51
49
48
45
43
48
53
49
37
34
30
30
32
32
31
31
33
33
33
32

Medium Clouds (% Sky Obscured)

0
0
0
4
20
7
7
5
3
0
0
0
0
5
14
21
16
10
0
0
3
40
41
21

High Clouds (% Sky Obscured)

50
66
77
88
65
43
25
29
32
40
59
80
86
73
73
35
95
91
87
83
81
75
89
95

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
15
11
11
15
10
13
16
12
17
14
11
12
12
9
6
13
10
6
10
7
3
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
72
72
71
71
71
72
71
70
64
61
56
54
54
55
61
69
72
73
75
75
73
73

Pressure (mb)

1023
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

338
338
340
342
342
343
345
345
344
344
344
345
345
347
346
345
345
346
345
345
345
347
348
350

Friday 16

Waning Crescent 6%

06:08

14:34

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
22 Bad
23 Bad

Sun - Rise: 07:34, Set: 17:05, Transit: 12:19. Moon - Rise: 06:08, Set: 14:34. Civil Dark: 17:36 - 07:03. Nautical Dark: 18:10 - 06:29. Astro Dark: 18:43 - 05:56

Total Clouds (% Sky Obscured)

100
88
75
67
78
89
100
100
100
100
100
100
100
95
91
84
91
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
54
42
29
28
23
27
25
27
32
35
45
49
48
52
46
48
49
45
52
60
67
77
86

Medium Clouds (% Sky Obscured)

62
67
66
67
75
83
89
87
90
72
95
97
100
95
91
84
91
96
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
88
75
67
78
89
100
100
100
100
100
100
100
81
53
29
40
73
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
7
5
5
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
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

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

Precipitation Probability (%)

3
21
47
77
60
49
47
17
12
25
13
9
10
17
22
12
31
39
37
69
89
95
95
95

Precipitation Amount (mm)

0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
1.4
1.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
69
67
76
84
81
81
81
78
76
75
70
63
59
62
66
69
71
75
77
81
86
90
92

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

349
349
348
350
352
354
356
362
364
356
352
351
350
346
343
339
336
335
333
332
333
334
335
336

Saturday 17

Waning Crescent 2%

06:57

15:33

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
22 Bad
23 Bad

Sun - Rise: 07:33, Set: 17:06, Transit: 12:20. Moon - Rise: 06:57, Set: 15:33. Civil Dark: 17:37 - 07:03. Nautical Dark: 18:11 - 06:29. Astro Dark: 18:44 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
97
96
96
96
96
95
94
94
93
92
91
92
94
99
100
100

Low Clouds (% Sky Obscured)

94
94
94
93
88
83
78
76
73
70
69
68
66
50
33
17
28
40
51
46
44
41
32
19

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
75
50
25
19
13
8
32
54
76
75
73
77
76
73
74
53
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
80
71
80
90
96
95
94
94
93
92
91
92
94
99
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
94
84
73
63
57
52
48
49
43
36
21
34
35
22
40
42

Precipitation Amount (mm)

1.7
2.1
2.1
1.6
1.3
1
0.7
0.7
0.6
0.5
0.4
0.3
0.3
0.2
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
95
95
93
93
89
84
80
76
74
70
71
71
73
74
75
76
75
73
73
75

Pressure (mb)

1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

338
339
339
339
338
339
340
341
340
340
339
338
337
336
336
336
336
338
340
342
345
347
350
356

Sunday 18

New Moon 0%

07:37

16:38

Sun - Rise: 07:33, Set: 17:07, Transit: 12:20. Moon - Rise: 07:37, Set: 16:38. Civil Dark: 17:38 - 07:02. Nautical Dark: 18:12 - 06:28. Astro Dark: 18:45 - 05:55

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 12/01/26 00:10:14. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+1.00