Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 12%

04:14

13:57

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:31, Set: 16:40, Transit: 12:06. Moon - Rise: 04:14, Set: 13:57. Civil Dark: 17:11 - 07:00. Nautical Dark: 17:47 - 06:24. Astro Dark: 18:20 - 05:51

Total Clouds (% Sky Obscured)

85
88
91
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)

71
66
57
51
55
55
50
45
56
55
55
63
73
72
60
79
80
93
93
88
85
90
89
87

Medium Clouds (% Sky Obscured)

85
88
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
100
85
100
100

High Clouds (% Sky Obscured)

85
88
91
100
100
100
100
100
100
100
100
100
100
100
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
8
9
9
9
9
9
9
9
9
9
9
4
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
22
27
40
39
54
68
74
71
81
74
69
56
59
65
88
95
95
95
95
93
95
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.3
0.4
0.4
0.3
0
0
0
0.4
0.9
1.5
0.4
0.8
0.4
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
12
12
13
13
13
13
13
13
12
12
12
12
12
12
13
13
13

Feels Like (°C)

10
10
10
9
9
9
8
10
10
9
9
9
10
10
10
10
9
9
10
9
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

64
62
59
56
56
61
62
62
67
67
66
71
69
71
74
71
67
69
70
66
66
65
74
74

Pressure (mb)

1021
1020
1020
1019
1019
1019
1019
1020
1020
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

312
312
310
305
305
306
308
310
309
308
306
307
305
305
304
302
307
307
312
312
313
314
317
322

Wednesday 17

Waning Crescent 7%

05:18

14:27

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:32, Set: 16:40, Transit: 12:06. Moon - Rise: 05:18, Set: 14:27. Civil Dark: 17:12 - 07:00. Nautical Dark: 17:47 - 06:25. Astro Dark: 18:21 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
90
83
84
60
56
71
69
60
58
57
58
86
77
76
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
87
91
96
94
90
83
84
32
31
31
27
21
20
19
16
21
24
24
23
17
14
18
21

Medium Clouds (% Sky Obscured)

94
100
86
82
90
76
35
57
24
23
20
23
0
2
0
0
1
12
45
22
1
0
28
23

High Clouds (% Sky Obscured)

100
100
100
100
100
23
0
0
0
0
0
0
0
5
0
13
61
36
35
100
100
100
100
100

ISS Passover

Visibility (miles)

9
3
2
1
2
4
8
9
8
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
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
89
77
59
48
38
26
9
9
8
9
8
7
6
8
6
10
9

Precipitation Amount (mm)

0.8
2.2
3.4
2.7
1.5
1.1
1
0.8
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
14
14
14
14
15
16
16
17
16
16
15
14
14
14
13
13
13
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
87
93
93
93
93
89
84
75
71
68
71
74
79
79
79
82
83
80
80
80
80
79

Pressure (mb)

1017
1017
1017
1018
1019
1020
1021
1022
1022
1022
1022
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1027
1027
1027

Ozone (du)

323
321
322
321
318
318
319
321
323
323
323
320
319
317
317
317
316
317
316
315
319
322
326
327

Thursday 18

Waning Crescent 3%

06:21

15:04

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:32, Set: 16:41, Transit: 12:06. Moon - Rise: 06:21, Set: 15:04. Civil Dark: 17:12 - 07:01. Nautical Dark: 17:47 - 06:26. Astro Dark: 18:21 - 05:52

Total Clouds (% Sky Obscured)

100
97
93
91
91
91
91
95
97
100
100
100
100
83
40
52
64
81
98
94
99
100
100
100

Low Clouds (% Sky Obscured)

26
26
26
25
21
15
12
9
7
3
2
1
0
1
1
2
9
16
25
27
28
28
27
28

Medium Clouds (% Sky Obscured)

60
66
73
64
13
5
6
66
58
41
7
26
18
25
3
4
4
3
3
3
2
0
0
0

High Clouds (% Sky Obscured)

100
85
71
61
69
73
78
85
93
100
100
100
100
80
37
52
64
81
96
87
99
100
100
100

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 (%)

1
3
4
6
8
7
6
6
4
2
2
1
1
1
1
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 (%)

5
19
16
3
15
12
3
7
9
2
10
10
1
5
5
0
2
1
0
1
2
0
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
10
11
11
13
14
15
17
17
16
16
15
15
13
12
11
10
10
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

79
77
76
75
76
75
72
68
64
63
62
60
62
67
70
71
74
75
73
73
71
68
67
65

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

329
330
332
333
334
332
333
333
331
329
330
330
332
332
333
334
334
332
332
334
333
333
334
335

Friday 19

Waning Crescent 1%

07:20

15:49

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:33, Set: 16:41, Transit: 12:07. Moon - Rise: 07:20, Set: 15:49. Civil Dark: 17:13 - 07:01. Nautical Dark: 17:48 - 06:26. Astro Dark: 18:22 - 05:52

Total Clouds (% Sky Obscured)

100
90
81
71
70
71
76
84
92
100
100
100
100
100
100
100
94
95
97
96
98
94
94
96

Low Clouds (% Sky Obscured)

27
23
19
15
12
6
0
0
0
0
0
0
0
0
0
0
8
18
24
24
21
18
11
6

Medium Clouds (% Sky Obscured)

3
11
20
3
25
37
5
7
61
63
78
55
85
81
5
10
38
61
84
91
95
94
94
93

High Clouds (% Sky Obscured)

100
90
81
71
70
71
76
84
92
99
99
100
100
100
100
100
94
95
97
96
98
94
94
96

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
1
2
0
0
0
0
1
1
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)

3
3
3
4
3
3
3
4
3
3
3
2
2
3
2
2
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
3
3
3
3
3
3
2
2
3
4
4
4
4
4
4
4
3
3
3
2

Relative Humidity (%)

64
62
61
60
59
58
55
50
45
41
38
38
42
46
50
50
53
55
57
59
57
57
57
55

Pressure (mb)

1026
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018

Ozone (du)

334
333
333
333
334
333
333
334
334
334
334
334
334
335
334
335
334
333
331
329
328
327
325
324

Saturday 20

New Moon 0%

08:14

16:42

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

Sun - Rise: 07:33, Set: 16:41, Transit: 12:07. Moon - Rise: 08:14, Set: 16:42. Civil Dark: 17:13 - 07:02. Nautical Dark: 17:48 - 06:27. Astro Dark: 18:22 - 05:53

Total Clouds (% Sky Obscured)

100
100
99
99
94
88
82
71
59
48
45
43
40
50
52
55
56
53
50
52
50
48
56
53

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
2
3
6
8
12
22
18
11
2
5
7
10
12
9

Medium Clouds (% Sky Obscured)

90
90
91
88
63
38
15
14
14
13
15
21
28
24
16
17
21
22
19
19
18
18
18
13

High Clouds (% Sky Obscured)

100
94
89
85
82
79
74
60
46
42
33
22
11
13
15
18
13
7
5
7
8
9
20
31

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
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
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
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
3
3
3
3
3
4
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
52
53
52
53
51
49
47
45
43
41
42
42
42
46
50
54
56
57
59
59
58
57
58

Pressure (mb)

1017
1017
1017
1017
1016
1016
1017
1017
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

322
321
315
309
303
313
322
332
332
333
333
335
337
339
337
335
333
330
326
322
318
314
310
309

Sunday 21

Waxing Crescent 2%

09:00

17:43

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
00 Bad

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 09:00, Set: 17:43. Civil Dark: 17:14 - 07:02. Nautical Dark: 17:49 - 06:27. Astro Dark: 18:23 - 05:53

Total Clouds (% Sky Obscured)

58
56
55
54
62
70
78
81
84
87
91
95
99
94
89
84
78
73
70
72
73
74

Low Clouds (% Sky Obscured)

7
15
24
33
24
15
5
9
12
16
35
54
73
57
40
21
19
19
18
23
28
33

Medium Clouds (% Sky Obscured)

9
8
3
0
0
1
1
1
1
1
5
9
13
10
8
5
8
11
14
18
22
25

High Clouds (% Sky Obscured)

42
38
35
32
45
61
75
78
82
85
87
88
85
72
68
64
62
58
53
52
53
54

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 (%)

0
1
1
0
2
4
4
5
5
3
10
12
11
20
24
21
29
29
17
24
24
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
9
8
9
9
9
10
10
15
15
15
15
15
15
12
12
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

58
60
61
62
64
61
58
57
54
52
50
53
54
56
61
67
74
72
72
72
72
72

Pressure (mb)

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

Ozone (du)

308
307
306
304
303
303
303
303
303
303
302
300
298
296
297
298
300
301
302
303
305
306

Monday 22

Waxing Crescent 6%

09:38

18:49

Sun - Rise: 07:34, Set: 16:42, Transit: 12:08. Moon - Rise: 09:38, Set: 18:49. Civil Dark: 17:14 - 07:03. Nautical Dark: 17:49 - 06:28. Astro Dark: 18:23 - 05:54

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: 16/12/25 02:55:53. Forecast: 16/12/25 to 22/12/25. Timezone: UTC+1.00