Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:58

17:50

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

Sun - Rise: 06:51, Set: 19:11, Transit: 13:01. Moon - Rise: 02:58, Set: 17:50. Civil Dark: 19:39 - 06:23. Nautical Dark: 20:11 - 05:51. Astro Dark: 20:45 - 05:17

Total Clouds (% Sky Obscured)

81
48
0
19
0
0
0
44
34
34
25
19
25
56
15
24
25
1
3
15
34
33
27
4

Low Clouds (% Sky Obscured)

15
11
27
17
14
15
16
15
7
3
0
19
26
32
10
24
9
0
0
0
0
0
0
0

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)

58
22
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
27
33
27
2

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

3
4
8
4
5
5
8
8
7
9
8
5
6
5
5
6
6
7
7
5
4
4
3
3

Chance of Frost

Temperature (°C)

19
19
20
19
19
19
18
17
17
20
22
24
25
26
27
27
27
27
26
24
21
20
20
19

Feels Like (°C)

19
20
20
21
21
20
19
17
17
20
23
26
27
27
28
28
28
28
27
25
22
21
22
22

Dew Point (°C)

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

Relative Humidity (%)

62
63
61
66
67
70
74
84
93
81
65
61
59
52
34
33
33
36
42
56
64
68
71
70

Pressure (mb)

1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1023
1023
1023
1022
1022
1023
1023
1024
1024
1024
1025

Ozone (du)

277
277
276
274
274
273
273
273
272
271
271
271
272
272
272
273
273
273
272
272
272
272
272
272

Friday 19

Waning Crescent 6%

04:08

18:14

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

Sun - Rise: 06:52, Set: 19:09, Transit: 13:01. Moon - Rise: 04:08, Set: 18:14. Civil Dark: 19:37 - 06:24. Nautical Dark: 20:09 - 05:52. Astro Dark: 20:43 - 05:19

Total Clouds (% Sky Obscured)

5
30
4
3
1
4
3
7
2
1
11
21
31
38
54
48
24
5
2
4
16
17
27
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0

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)

4
30
4
0
0
0
0
0
0
0
7
21
31
38
54
48
22
1
0
1
3
3
4
5

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)

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

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
17
16
18
21
24
26
27
28
29
29
28
27
27
24
22
21
20
20

Feels Like (°C)

20
19
18
18
18
17
16
16
18
23
27
27
29
29
30
30
29
28
28
26
24
23
22
21

Dew Point (°C)

12
11
9
8
7
7
7
7
8
8
9
9
9
10
11
10
10
10
13
15
14
14
13
13

Relative Humidity (%)

67
63
58
54
53
53
53
53
50
42
37
34
32
31
31
31
31
34
42
55
61
63
64
64

Pressure (mb)

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

Ozone (du)

272
272
271
271
270
268
267
266
266
265
265
265
264
264
265
266
267
267
268
268
266
266
265
265

Saturday 20

Waning Crescent 2%

05:16

18:34

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

Sun - Rise: 06:53, Set: 19:07, Transit: 13:00. Moon - Rise: 05:16, Set: 18:34. Civil Dark: 19:35 - 06:25. Nautical Dark: 20:08 - 05:53. Astro Dark: 20:41 - 05:20

Total Clouds (% Sky Obscured)

24
4
18
6
15
4
3
3
3
4
4
11
23
30
41
22
38
50
44
44
41
36
42
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
11
15
0
0
0
0
0
0
0
0
5

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)

4
0
18
3
13
0
0
0
0
0
1
11
23
23
17
12
30
47
44
44
36
29
35
45

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)

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

Chance of Frost

Temperature (°C)

19
19
19
18
18
17
17
17
18
21
24
26
28
29
29
29
28
27
26
24
21
21
20
19

Feels Like (°C)

20
20
21
20
20
19
19
18
20
24
26
28
29
29
29
28
28
26
27
25
22
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
59
59
59
60
61
57
47
42
38
34
32
31
31
33
36
44
52
54
56
56
58

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

266
267
267
267
267
267
267
267
267
267
268
268
268
268
268
267
267
268
268
268
268
269
270
271

Sunday 21

New Moon 0%

06:21

18:54

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

Sun - Rise: 06:54, Set: 19:06, Transit: 13:00. Moon - Rise: 06:21, Set: 18:54. Civil Dark: 19:33 - 06:27. Nautical Dark: 20:06 - 05:54. Astro Dark: 20:39 - 05:21

Total Clouds (% Sky Obscured)

95
91
86
82
59
46
40
29
21
17
20
26
32
23
17
13
9
18
26
58
30
17
3
10

Low Clouds (% Sky Obscured)

5
4
2
0
3
7
7
0
0
0
0
3
6
9
6
3
0
0
0
16
1
0
1
6

Medium Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
2
4
6
8
5
3
0
0

High Clouds (% Sky Obscured)

95
91
86
82
59
33
16
19
17
16
16
17
16
16
11
6
0
13
26
40
25
12
2
5

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)

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

Chance of Frost

Temperature (°C)

19
19
18
18
18
18
17
17
18
21
23
26
26
27
27
27
26
26
24
22
20
19
18
18

Feels Like (°C)

19
20
20
20
20
20
18
18
19
24
25
27
26
27
28
27
26
26
25
24
21
22
22
21

Dew Point (°C)

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

Relative Humidity (%)

60
62
63
64
65
66
67
70
63
53
45
40
35
33
31
31
34
39
47
59
64
68
70
72

Pressure (mb)

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

Ozone (du)

272
272
272
272
272
272
272
272
272
273
274
274
274
273
274
275
274
273
273
272
272
273
273
273

Monday 22

Waxing Crescent 0%

07:25

19:12

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

Sun - Rise: 06:55, Set: 19:04, Transit: 13:00. Moon - Rise: 07:25, Set: 19:12. Civil Dark: 19:32 - 06:28. Nautical Dark: 20:04 - 05:55. Astro Dark: 20:37 - 05:22

Total Clouds (% Sky Obscured)

15
21
24
25
24
20
19
19
24
21
24
26
29
23
22
8
60
65
65
8
47
56
56
56

Low Clouds (% Sky Obscured)

12
19
12
6
0
0
0
0
0
0
0
4
8
13
9
4
0
0
0
0
1
2
3
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
10
10
7
3
0
0
0
0
0
0
0
15

High Clouds (% Sky Obscured)

3
3
11
15
11
7
8
13
18
13
13
9
7
1
9
0
60
65
65
8
47
56
56
56

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)

3
2
2
2
3
3
3
3
3
3
3
5
5
7
8
9
9
8
6
4
3
3
3
3

Chance of Frost

Temperature (°C)

18
17
17
16
16
15
15
15
16
19
22
24
25
26
26
26
25
25
23
20
19
18
17
17

Feels Like (°C)

20
20
19
19
18
18
18
17
18
22
24
25
26
26
26
25
24
24
23
21
21
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

72
74
75
78
79
82
82
83
74
62
50
41
36
34
33
33
36
43
53
70
80
85
87
87

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

273
274
275
276
277
278
278
279
280
280
280
281
282
283
283
283
284
285
284
285
286
285
285
284

Tuesday 23

Waxing Crescent 3%

08:28

19:32

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: 06:56, Set: 19:02, Transit: 12:59. Moon - Rise: 08:28, Set: 19:32. Civil Dark: 19:30 - 06:29. Nautical Dark: 20:02 - 05:56. Astro Dark: 20:35 - 05:23

Total Clouds (% Sky Obscured)

54
51
64
78
88
91
95
100
100
100
100
100
100
100
100
100
100
99
98
97
97
98
99
100

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
2
4
5
12
24
42
38
46
51
47
36
20
18
13
14
18

Medium Clouds (% Sky Obscured)

13
51
40
22
4
6
8
10
28
46
63
76
88
100
88
76
64
52
41
29
50
70
91
63

High Clouds (% Sky Obscured)

54
51
64
76
88
91
95
100
100
100
100
100
100
100
100
100
100
98
96
94
94
93
93
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
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
2
3
2
12
15
14
27
32
32
58
68
74
76
77
72
76
75
69
66
61
55
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

3
5
4
4
5
5
5
5
5
6
7
9
10
11
12
10
10
9
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
15
16
17
19
20
23
22
22
21
20
19
19
19
18
18
18
17
17

Feels Like (°C)

17
16
16
15
16
16
16
16
16
18
18
20
20
22
23
20
20
20
20
21
21
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
86
86
87
85
82
81
72
65
58
64
69
76
75
75
72
78
83
89
92
92
95

Pressure (mb)

1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

284
284
284
284
285
286
286
286
286
287
287
287
286
286
285
285
286
286
287
287
287
288
288
289

Wednesday 24

Waxing Crescent 7%

09:31

19:53

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 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:57, Set: 19:01, Transit: 12:59. Moon - Rise: 09:31, Set: 19:53. Civil Dark: 19:28 - 06:30. Nautical Dark: 20:00 - 05:57. Astro Dark: 20:33 - 05:24

Total Clouds (% Sky Obscured)

100
100
99
98
98
69
48
31
28
26
21
34
48
63
48
33
16
16
16
16
36
57
78
68

Low Clouds (% Sky Obscured)

19
20
19
19
21
23
26
25
25
21
16
30
46
63
48
33
16
16
15
14
35
56
77
68

Medium Clouds (% Sky Obscured)

34
5
10
16
20
13
7
0
1
1
2
12
23
32
21
11
0
1
1
2
1
1
0
4

High Clouds (% Sky Obscured)

98
100
99
98
98
69
41
12
8
4
0
10
20
29
19
10
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
6
6
6
6
7
8
9
9
9
9
7
5
3
5
7
9
9
9
9
7
5
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

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

Precipitation Probability (%)

52
46
55
62
68
79
90
95
89
78
63
95
95
95
95
89
71
55
40
27
40
51
62
77

Precipitation Amount (mm)

0
0
0
0.2
0.2
0.4
0.6
0.7
0.6
0.4
0.2
0.6
1.1
1.7
1.1
0.7
0.5
0.3
0
0
0
0.3
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
16
16
15
15
16
15
17
19
20
21
21
22
21
21
20
19
18
16
14
13
13

Feels Like (°C)

17
17
17
16
16
16
15
15
15
18
18
18
20
23
25
23
22
22
21
22
21
14
14
13

Dew Point (°C)

16
15
15
15
15
15
14
15
14
14
13
13
14
16
17
17
16
15
15
14
13
11
11
10

Relative Humidity (%)

95
95
95
95
95
95
95
95
93
81
71
63
66
72
76
75
74
70
75
79
83
82
83
81

Pressure (mb)

1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

289
289
289
290
292
294
295
296
297
298
299
300
301
301
302
303
304
305
305
306
307
306
306
305

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

Generated: 18/09/25 14:08:46. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00