Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 28%

02:06

13:08

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

Sun - Rise: 07:27, Set: 16:37, Transit: 12:02. Moon - Rise: 02:06, Set: 13:08. Civil Dark: 17:09 - 06:55. Nautical Dark: 17:44 - 06:20. Astro Dark: 18:18 - 05:47

Total Clouds (% Sky Obscured)

31
33
32
41
44
41
36
32
26
25
31
39
43
48
42
9
0
3
38
54
85
70
49
65

Low Clouds (% Sky Obscured)

27
26
23
23
24
24
23
22
19
18
22
30
36
40
33
7
0
0
6
21
30
29
25
24

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
30
31
65
34
2
33

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
38
70
70
70
70
70
70
70
68
63
60
37
0
1
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)

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

Chance of Frost

Temperature (°C)

7
6
6
5
5
5
5
4
4
4
4
4
4
4
6
8
9
10
11
12
12
11
9
8

Feels Like (°C)

8
7
7
6
5
5
5
4
5
5
5
4
5
4
6
8
10
11
11
11
12
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

84
86
86
86
86
86
88
86
88
88
86
88
86
85
76
70
64
61
58
58
62
71
78
84

Pressure (mb)

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

Ozone (du)

288
289
289
288
288
287
286
284
284
285
289
293
292
292
291
291
292
289
288
287
288
287
287
287

Sunday 14

Waning Crescent 19%

03:08

13:30

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

Sun - Rise: 07:27, Set: 16:38, Transit: 12:03. Moon - Rise: 03:08, Set: 13:30. Civil Dark: 17:09 - 06:56. Nautical Dark: 17:44 - 06:21. Astro Dark: 18:18 - 05:47

Total Clouds (% Sky Obscured)

42
86
95
13
27
14
0
0
17
9
14
28
70
8
63
22
8
61
96
90
87
100
84
100

Low Clouds (% Sky Obscured)

20
18
22
0
11
0
0
0
14
4
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
10
54
13
19
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
35
30
38

High Clouds (% Sky Obscured)

0
65
89
8
4
3
0
0
0
1
3
4
57
8
63
22
7
61
96
90
87
100
84
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
38
38
38
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)

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

Chance of Frost

Temperature (°C)

7
7
6
5
6
5
5
4
4
4
4
4
4
4
5
8
9
11
12
12
11
10
9
7

Feels Like (°C)

6
5
5
4
4
4
4
5
4
4
5
4
2
2
6
8
10
12
12
11
11
10
8
7

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
86
88
88
88
86
86
86
85
83
83
75
65
62
58
55
56
59
70
80
81

Pressure (mb)

1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1027
1027
1027
1027
1026
1026
1024
1024
1024
1024
1025
1024

Ozone (du)

289
291
292
294
296
301
304
304
302
300
300
299
301
302
303
304
307
306
307
307
308
309
309
310

Monday 15

Waning Crescent 12%

04:11

13:55

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: 07:28, Set: 16:38, Transit: 12:03. Moon - Rise: 04:11, Set: 13:55. Civil Dark: 17:09 - 06:57. Nautical Dark: 17:44 - 06:22. Astro Dark: 18:18 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
96
100
100
97
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
0
7
32
17
4
0
3
58
63
68
71
72
76
72

Medium Clouds (% Sky Obscured)

99
100
77
96
60
40
97
100
95
94
88
94
92
95
100
100
99
98
99
99
100
100
100
100

High Clouds (% Sky Obscured)

100
100
97
13
100
100
12
5
8
100
100
100
100
100
98
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
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
9
21
23
24
14
6
3
1
4
18
29
35
40
52
66
82
90
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
78
78
74
76
77
73
70
70
68
67
66
64
62
61
58
65
64
59
64
64
63
64

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019
1018
1018
1018

Ozone (du)

311
315
313
312
312
312
311
311
309
309
308
311
314
315
316
315
312
311
308
305
302
303
304
301

Tuesday 16

Waning Crescent 7%

05:15

14:25

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: 07:29, Set: 16:38, Transit: 12:04. Moon - Rise: 05:15, Set: 14:25. Civil Dark: 17:10 - 06:57. Nautical Dark: 17:45 - 06:22. Astro Dark: 18:19 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
94
89
82
80
77
74
72
69
68
67
65
64
66
66
69
81
88
98
75
90
63

Low Clouds (% Sky Obscured)

70
66
81
77
72
68
69
68
70
69
69
68
67
65
64
64
62
56
63
63
54
48
42
36

Medium Clouds (% Sky Obscured)

88
100
100
94
89
82
80
77
74
72
69
60
37
3
0
6
6
10
10
14
18
15
15
11

High Clouds (% Sky Obscured)

100
100
100
68
37
5
15
22
35
42
3
0
3
1
44
59
4
7
18
28
96
61
80
46

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
87
95
95
95
95
95
95
78
81
38
44
45
18
26
29
16
28
30
22
29
25
11

Precipitation Amount (mm)

1
0.8
0.3
0.6
0.9
0.6
1.1
0.5
0.7
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
5
6
7
8
8
8
8
9
8
8
9
9
9
10
10
11
12
11
11
10
9

Relative Humidity (%)

66
67
67
70
78
85
91
95
93
95
95
96
95
95
93
93
90
90
92
93
90
95
95
95

Pressure (mb)

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

Ozone (du)

298
299
297
296
297
303
308
311
313
315
317
318
317
316
314
313
313
314
312
310
308
309
310
310

Wednesday 17

Waning Crescent 3%

06:17

15:02

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: 07:29, Set: 16:39, Transit: 12:04. Moon - Rise: 06:17, Set: 15:02. Civil Dark: 17:10 - 06:58. Nautical Dark: 17:45 - 06:23. Astro Dark: 18:19 - 05:49

Total Clouds (% Sky Obscured)

100
93
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)

35
32
30
27
23
20
22
24
26
21
15
11
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
14
12
12
11
10
7
4
1
1
2
1
5
5
5
12
19
23
16
10
3
4
5
5

High Clouds (% Sky Obscured)

100
88
100
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
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 (%)

16
13
2
8
9
2
9
10
1
5
10
0
24
27
20
23
21
6
9
13
1
4
9
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
4
4
5
4
4
4
4
4
4
4
4
4
3
3
3
2
2
2
2
2
1
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
93
91
90
88
87
85
84
82
81
81
78
74
72
70
66
64
68
71
75
76
78

Pressure (mb)

1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1026
1026
1027
1027

Ozone (du)

311
311
312
313
312
312
313
312
312
313
314
315
318
319
321
323
322
322
321
320
319
318
320
323

Thursday 18

Waning Crescent 1%

07:17

15:47

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: 07:30, Set: 16:39, Transit: 12:05. Moon - Rise: 07:17, Set: 15:47. Civil Dark: 17:11 - 06:58. Nautical Dark: 17:46 - 06:23. Astro Dark: 18:19 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
98
96
95
96
95
90
90
92
94
93
93
93
92
91
90
93
97
99
100
100
100

Low Clouds (% Sky Obscured)

1
2
2
3
8
8
10
9
11
16
21
27
23
13
0
0
0
1
2
3
4
4
4
4

Medium Clouds (% Sky Obscured)

4
4
8
6
5
4
7
7
9
19
30
37
56
73
89
92
91
90
93
97
99
96
92
89

High Clouds (% Sky Obscured)

98
90
75
78
91
94
96
95
90
90
92
94
93
93
93
92
91
90
93
95
95
95
95
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 (%)

4
11
0
2
8
0
3
6
0
3
6
6
11
14
15
15
13
8
12
14
9
9
8
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
4
4
4
4
4
4
5
5
5
5
4
4
4
4
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
7
7
7
7
8
7
5
4
5
6
5
5
5
6
6
6
7
8
12
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

80
78
77
75
75
75
75
74
72
71
69
66
64
61
60
57
55
54
52
57
60
64
64
64

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1021

Ozone (du)

326
327
328
330
329
328
327
325
324
323
323
324
324
323
322
321
321
321
322
322
322
322
322
322

Friday 19

Waning Crescent 0%

08:10

16:41

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

Sun - Rise: 07:30, Set: 16:40, Transit: 12:05. Moon - Rise: 08:10, Set: 16:41. Civil Dark: 17:11 - 06:59. Nautical Dark: 17:46 - 06:24. Astro Dark: 18:20 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
97
98
100

Low Clouds (% Sky Obscured)

4
4
4
7
10
12
20
26
36
43
48
53
71
84
96
97
98
100

Medium Clouds (% Sky Obscured)

88
87
87
90
93
96
97
99
100
96
91
86
90
94
96
97
98
99

High Clouds (% Sky Obscured)

97
98
100
100
100
100
99
100
100
92
84
68
63
58
57
65
81
100

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

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
12
5
11
17
4
12
19
2
13
12
2
19
23
20
18
14
22

Precipitation Amount (mm)

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
4
4
4
4
4
4
4
4
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
7
7
6
6
6
6
6
6
6
6
6
7
6
6
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

65
65
65
64
64
64
65
65
65
65
67
69
70
73
75
80
77
75

Pressure (mb)

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

Ozone (du)

323
323
324
325
323
322
320
319
319
318
317
317
316
316
316
316
318
321

Forecast for Via Case Sparse, Province of Rome, Italy (41.66,13.10)

Generated: 13/12/25 19:06:01. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+1.00