Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

00:34

16:43

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

Sun - Rise: 06:49, Set: 19:16, Transit: 13:02. Moon - Rise: 00:34, Set: 16:43. Civil Dark: 19:44 - 06:21. Nautical Dark: 20:17 - 05:49. Astro Dark: 20:50 - 05:15

Total Clouds (% Sky Obscured)

31
35
37
41
36
20
12
21
24
31
33
33
15
0
0
18
33
27
33
36
52
26
0
0

Low Clouds (% Sky Obscured)

15
18
25
18
20
11
7
14
17
23
24
24
12
0
0
15
27
20
26
26
36
20
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
2
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
4
44
38
70
70
41
4
2
1
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)

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

Chance of Frost

Temperature (°C)

24
22
21
19
18
18
18
17
17
17
16
16
16
17
20
21
24
25
26
26
26
26
26
25

Feels Like (°C)

27
25
24
23
22
22
22
21
21
21
20
19
20
21
24
24
26
27
29
29
28
28
27
27

Dew Point (°C)

20
20
19
18
17
17
17
17
16
16
16
15
15
15
16
15
15
15
15
15
14
14
16
17

Relative Humidity (%)

78
85
89
91
93
93
95
95
95
95
95
93
95
88
77
67
59
55
50
48
46
48
53
63

Pressure (mb)

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

Ozone (du)

279
278
278
278
278
277
276
276
276
276
277
278
278
278
279
280
281
282
283
284
282
282
282
283

Tuesday 16

Waning Crescent 20%

01:45

17:20

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

Sun - Rise: 06:50, Set: 19:14, Transit: 13:01. Moon - Rise: 01:45, Set: 17:20. Civil Dark: 19:42 - 06:22. Nautical Dark: 20:15 - 05:50. Astro Dark: 20:49 - 05:16

Total Clouds (% Sky Obscured)

59
2
98
96
100
15
48
66
43
55
100
100
100
100
61
12
46
75
49
57
58
35
26
27

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
11
22
23
26
21
17
10
6
6
4
4
1
0
0
0
0
3
16

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)

59
0
98
96
100
5
23
29
9
10
100
100
100
100
61
10
46
66
37
44
44
19
8
8

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
6
9
7
0
0
38
38
38
31
26
23
20
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
1
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)

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

Chance of Frost

Temperature (°C)

22
20
19
19
18
18
17
17
17
16
16
16
15
17
20
21
23
25
25
26
26
26
25
25

Feels Like (°C)

25
23
22
20
20
20
19
18
18
18
17
17
16
18
21
23
26
28
26
27
26
25
25
24

Dew Point (°C)

18
17
17
17
16
16
16
16
16
15
15
15
14
15
17
16
16
15
14
12
11
10
11
15

Relative Humidity (%)

74
80
84
88
89
90
90
92
92
93
92
92
92
88
81
71
62
53
48
42
39
38
41
52

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1017
1017
1018

Ozone (du)

284
282
284
285
284
284
284
284
283
285
284
284
284
284
282
283
282
281
281
280
279
278
278
277

Wednesday 17

Waning Crescent 12%

02:58

17:50

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

Sun - Rise: 06:51, Set: 19:13, Transit: 13:01. Moon - Rise: 02:58, Set: 17:50. Civil Dark: 19:40 - 06:23. Nautical Dark: 20:13 - 05:51. Astro Dark: 20:47 - 05:17

Total Clouds (% Sky Obscured)

26
22
36
24
22
74
49
82
47
2
16
24
46
24
15
36
44
41
46
52
57
67
60
51

Low Clouds (% Sky Obscured)

21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
13
10
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)

1
4
30
11
7
69
49
82
47
1
16
24
46
24
15
36
44
41
46
52
57
61
59
51

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)

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

Chance of Frost

Temperature (°C)

23
21
20
19
18
17
17
17
16
16
16
16
15
16
20
23
24
26
27
28
27
27
27
25

Feels Like (°C)

24
22
21
21
19
18
17
18
18
18
17
18
17
18
22
25
27
29
29
30
29
29
28
27

Dew Point (°C)

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

Relative Humidity (%)

69
73
77
78
78
77
77
78
78
79
79
79
79
73
61
52
47
43
39
36
35
35
39
48

Pressure (mb)

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

Ozone (du)

277
276
276
276
275
274
274
273
273
272
273
274
275
275
275
276
276
276
276
276
277
276
277
277

Thursday 18

Waning Crescent 6%

04:08

18:14

19 Bad
20 OK
21 OK
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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:52, Set: 19:11, Transit: 13:01. Moon - Rise: 04:08, Set: 18:14. Civil Dark: 19:39 - 06:24. Nautical Dark: 20:11 - 05:52. Astro Dark: 20:45 - 05:19

Total Clouds (% Sky Obscured)

51
41
38
60
78
88
60
69
87
88
80
81
81
69
57
45
54
66
72
68
58
58
55
51

Low 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

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)

51
41
38
53
69
85
60
69
87
85
60
43
38
30
14
14
18
29
39
43
39
34
37
32

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
22
23
23
20
19
18
20
19
17
18
18
19
20
23
26
28
28
29
29
29
28
27
26

Dew Point (°C)

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

Relative Humidity (%)

58
65
71
74
73
68
62
59
57
56
56
56
56
56
46
41
38
36
34
33
33
33
36
45

Pressure (mb)

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

Ozone (du)

278
278
277
277
276
276
276
276
276
276
277
277
276
276
276
277
277
276
276
276
275
274
274
274

Friday 19

Waning Crescent 2%

05:16

18:34

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

Sun - Rise: 06:53, Set: 19:09, Transit: 13:00. Moon - Rise: 05:16, Set: 18:34. Civil Dark: 19:37 - 06:25. Nautical Dark: 20:09 - 05:53. Astro Dark: 20:43 - 05:20

Total Clouds (% Sky Obscured)

73
100
66
100
89
43
47
53
100
100
100
79
50
26
18
14
15
16
18
17
19
16
12
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
14
8
4

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)

61
99
48
100
81
19
23
29
100
100
100
69
34
8
8
10
10
10
10
8
7
6
6
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)

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

Chance of Frost

Temperature (°C)

23
21
21
20
19
19
19
19
18
18
18
18
18
19
21
23
26
27
27
28
27
28
27
25

Feels Like (°C)

24
21
21
21
19
20
21
20
20
18
17
18
18
21
21
23
23
24
25
26
31
30
29
29

Dew Point (°C)

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

Relative Humidity (%)

51
52
55
58
58
61
63
64
64
63
62
62
63
61
53
47
42
39
37
35
37
40
41
49

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 0%

06:21

18:54

19 Good
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 Good
14 Good
15 Good
16 Good
17 Good
18 Good

Sun - Rise: 06:54, Set: 19:07, Transit: 13:00. Moon - Rise: 06:21, Set: 18:54. Civil Dark: 19:35 - 06:27. Nautical Dark: 20:08 - 05:54. Astro Dark: 20:41 - 05:21

Total Clouds (% Sky Obscured)

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

Low 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

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)

5
5
4
4
4
4
3
2
1
0
0
0
1
1
1
1
1
2
2
3
4
5
5
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)

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

Chance of Frost

Temperature (°C)

23
21
20
19
19
19
18
18
18
17
16
17
16
17
21
23
26
27
27
28
28
27
27
25

Feels Like (°C)

29
30
21
22
22
22
22
21
20
20
19
20
18
19
22
23
25
26
26
27
31
29
28
28

Dew Point (°C)

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

Relative Humidity (%)

58
69
70
70
72
73
74
74
74
77
77
76
74
73
64
54
48
44
39
35
37
38
39
45

Pressure (mb)

1021
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1018

Ozone (du)

274
274
275
275
276
275
275
275
275
275
275
275
275
275
275
276
276
276
276
277
276
276
275
275

Sunday 21

New Moon 0%

07:25

18:54

19 Good
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 Good

Sun - Rise: 06:55, Set: 19:06, Transit: 13:00. Moon - Rise: 07:25, Set: 18:54. Civil Dark: 19:33 - 06:28. Nautical Dark: 20:06 - 05:55. Astro Dark: 20:39 - 05:22

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
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

High Clouds (% Sky Obscured)

5
5
5
5
6
7
8
5
3
2
1
1
1
1
1
1
1
1
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

23
21
19
18
18
17
17
17
16
16
15
16
16
17
20
22
25
26
26

Feels Like (°C)

29
29
19
20
21
20
20
20
19
18
18
17
18
17
21
22
23
25
25

Dew Point (°C)

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

Relative Humidity (%)

52
61
62
64
66
67
70
71
72
73
73
72
71
68
59
50
42
39
36

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

275
275
275
275
275
275
275
275
275
276
276
275
275
275
274
274
274
275
276

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

Generated: 15/09/25 19:49:12. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+2.00