Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 68%

12:55

02:59

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

Sun - Rise: 07:35, Set: 16:45, Transit: 12:10. Moon - Rise: 12:55, Set: 02:59. Civil Dark: 17:17 - 07:03. Nautical Dark: 17:52 - 06:28. Astro Dark: 18:26 - 05:54

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
21
24
28
3
0
11
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
16
16
2
0
8
1

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)

0
0
0
0
0
0
0
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
1
3
6
0
0
0
0
0
0
0
0
0
0
10

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
65
64
64
64
63
65
66
67
68
68
70
70
66
63
60
58
57
56
60
75
86
81
80

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1014
1013
1013
1012
1011
1011
1011
1012
1012
1013

Ozone (du)

310
311
310
309
308
308
308
308
311
311
309
311
311
311
309
309
311
312
308
309
310
312
312
310

Tuesday 30

Waxing Gibbous 82%

13:34

04:20

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

Sun - Rise: 07:35, Set: 16:46, Transit: 12:11. Moon - Rise: 13:34, Set: 04:20. Civil Dark: 17:17 - 07:04. Nautical Dark: 17:53 - 06:29. Astro Dark: 18:26 - 05:55

Total Clouds (% Sky Obscured)

2
18
0
0
3
9
34
40
46
38
38
25
25
20
20
20
18
15
14
7
1
1
1
1

Low Clouds (% Sky Obscured)

2
12
0
0
2
6
22
25
29
25
38
25
25
20
20
20
18
15
14
7
1
1
1
1

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)

0
0
0
0
0
0
0
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 (%)

52
0
0
0
0
0
0
0
0
0
1
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 (%)

2
2
3
3
3
2
3
1
3
5
3
3
4
4
15
2
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)

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

Chance of Frost

Temperature (°C)

2
2
2
1
1
0
0
0
-1
-1
-1
-2
-2
-1
0
1
2
2
2
2
1
-1
-2
-2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
80
86
88
87
87
87
89
89
84
76
72
62
58
56
52
52
53
62
71
74
75

Pressure (mb)

1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018
1019
1020
1021
1022

Ozone (du)

313
315
316
319
318
310
307
306
305
305
302
301
306
310
309
306
302
302
301
303
308
310
311
311

Wednesday 31

Waxing Gibbous 90%

14:24

05:40

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

Sun - Rise: 07:35, Set: 16:47, Transit: 12:11. Moon - Rise: 14:24, Set: 05:40. Civil Dark: 17:18 - 07:04. Nautical Dark: 17:53 - 06:29. Astro Dark: 18:27 - 05:55

Total Clouds (% Sky Obscured)

1
1
0
0
0
0
1
21
56
65
52
37
33
59
56
71
88
93
93
97
94
90
87
92

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
1
11
30
65
52
27
26
59
56
71
83
90
83
86
83
82
84
86

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
34
39
48
48
33
23
23

High 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
4

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
2
3
2
8
10
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-6
-6
-6
-6
-6
-6
-5
-5
-6
-5
-3
-3
-1
0
1
1
0
1
1
-1
-2
-3

Dew Point (°C)

-7
-8
-8
-9
-10
-10
-11
-11
-10
-9
-9
-8
-7
-7
-7
-5
-5
-4
-5
-4
-2
-1
-1
-2

Relative Humidity (%)

73
73
72
68
65
61
58
57
60
63
63
67
72
67
60
57
56
56
56
60
69
77
83
78

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

313
317
321
326
327
328
332
334
337
339
338
340
342
344
342
342
342
341
339
338
337
336
333
335

Thursday 1

Waxing Gibbous 96%

15:28

06:54

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
19 Bad

Sun - Rise: 07:35, Set: 16:48, Transit: 12:11. Moon - Rise: 15:28, Set: 06:54. Civil Dark: 17:19 - 07:04. Nautical Dark: 17:54 - 06:29. Astro Dark: 18:28 - 05:55

Total Clouds (% Sky Obscured)

96
100
100
99
99
93
88
83
81
79
78
82
88
93
81
66
58
57
70
94
93
92
92
95

Low Clouds (% Sky Obscured)

89
92
91
89
88
85
82
78
75
72
70
70
75
78
64
43
37
37
51
51
46
49
70
65

Medium Clouds (% Sky Obscured)

22
20
22
24
21
21
20
20
15
9
3
63
69
40
30
25
20
21
27
28
14
5
4
70

High Clouds (% Sky Obscured)

7
11
35
61
87
68
51
40
44
51
62
68
64
10
4
13
6
6
21
75
79
86
89
93

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 (%)

27
29
33
35
33
29
27
31
19
33
34
29
33
35
40
41
19
28
28
12
30
24
20
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
73
73
79
83
88
91
93
94
96
96
96
96
93
85
76
72
71
74
85
93
94
93

Pressure (mb)

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

Ozone (du)

334
334
333
331
331
333
334
334
334
333
336
334
333
332
326
319
317
316
312
310
308
308
308
310

Friday 2

Waxing Gibbous 100%

16:43

07:55

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
19 Bad

Sun - Rise: 07:35, Set: 16:49, Transit: 12:12. Moon - Rise: 16:43, Set: 07:55. Civil Dark: 17:20 - 07:04. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:29 - 05:55

Total Clouds (% Sky Obscured)

97
100
99
97
95
96
96
97
94
91
89
100
100
100
100
100
100
98
96
92
92
91
92
92

Low Clouds (% Sky Obscured)

65
62
64
67
69
66
63
59
63
67
70
64
66
62
66
57
65
64
63
69
72
75
82
84

Medium Clouds (% Sky Obscured)

72
27
48
89
94
65
19
16
14
9
8
4
4
3
4
4
5
4
3
2
2
3
7
18

High Clouds (% Sky Obscured)

25
28
97
91
83
23
15
80
13
8
4
28
51
74
83
91
100
89
77
66
77
84
85
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
1
4
6
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 (%)

15
18
22
30
24
17
13
11
17
10
5
13
14
9
17
19
19
21
21
20
20
20
18
35

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
91
91
94
94
93
94
93
94
94
93
93
94
96
94
96
96
96
94
96
94
96
94

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

312
310
309
307
305
302
303
305
306
306
309
318
320
323
325
326
326
326
328
330
331
333
335
336

Saturday 3

Full Moon 99%

18:02

08:43

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
19 Bad

Sun - Rise: 07:35, Set: 16:50, Transit: 12:12. Moon - Rise: 18:02, Set: 08:43. Civil Dark: 17:21 - 07:04. Nautical Dark: 17:56 - 06:29. Astro Dark: 18:30 - 05:55

Total Clouds (% Sky Obscured)

94
94
94
93
92
91
90
91
93
96
99
99
100
100
97
92
86
89
92
97
98
98
99
99

Low Clouds (% Sky Obscured)

88
88
88
87
82
80
76
77
83
90
96
96
97
98
87
75
58
61
65
72
80
88
95
94

Medium Clouds (% Sky Obscured)

28
39
40
40
41
42
42
42
50
57
65
47
30
12
14
16
14
30
45
59
71
82
94
92

High Clouds (% Sky Obscured)

37
35
27
21
13
24
41
58
41
21
2
19
36
54
61
70
77
75
72
62
67
68
74
75

ISS Passover

Visibility (miles)

7
4
1
1
1
0
0
0
0
0
0
0
3
6
9
9
9
9
9
8
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

45
53
57
59
58
55
56
59
61
60
57
52
45
33
57
66
65
79
84
84
87
89
84
89

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
8
8
7
7
8
8
8
8
8
8
8
8
8
7
8
8
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
98
96
98
98
96
96
98
96
96
96
96
95
91
88
87
88
90
91
91
90
91

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1009
1008
1007
1007
1006
1006
1006
1006
1006
1005

Ozone (du)

337
337
338
337
336
335
333
330
327
322
316
310
312
314
316
313
310
307
308
309
310
312
314
316

Sunday 4

Waning Gibbous 96%

19:20

09:20

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

Sun - Rise: 07:35, Set: 16:50, Transit: 12:13. Moon - Rise: 19:20, Set: 09:20. Civil Dark: 17:22 - 07:04. Nautical Dark: 17:57 - 06:29. Astro Dark: 18:30 - 05:55

Total Clouds (% Sky Obscured)

99
98
98
98
98
94
91
89
89
89
87
91
95
100
100
100
100

Low Clouds (% Sky Obscured)

92
92
92
92
91
85
78
71
77
82
87
91
95
100
100
100
100

Medium Clouds (% Sky Obscured)

92
91
93
92
93
77
61
45
41
36
33
24
14
5
7
8
10

High Clouds (% Sky Obscured)

77
82
57
32
6
14
22
31
25
18
11
39
67
94
82
78
56

ISS Passover

Visibility (miles)

6
4
1
1
1
1
4
6
9
9
9
9
9
9
9
8
7

Fog (%)

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

Precipitation Probability (%)

95
95
95
89
65
66
61
48
54
56
55
58
56
49
66
73
75

Precipitation Amount (mm)

0.6
0.8
0.7
0.5
0
0.2
0
0
0
0
0
0
0
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
8
8
8
8
8
7
7
7
7
7
8
8
8
8
9

Feels Like (°C)

4
3
4
5
5
4
5
5
5
4
4
4
5
5
5
4
5

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
96
98
96
96
94
94
93
93
91
91
90
88
87
87

Pressure (mb)

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

Ozone (du)

318
320
322
321
321
321
323
325
326
328
331
333
334
334
335
334
333

Forecast for Cervara di Roma, Province of Rome, Italy (41.99,13.07)

Generated: 29/12/25 20:24:37. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+1.00