Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 30%

02:18

18:14

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:46, Set: 20:15, Transit: 14:00. Moon - Rise: 02:18, Set: 18:14. Civil Dark: 20:47 - 07:15. Nautical Dark: 21:24 - 06:38. Astro Dark: 22:03 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
92
100
100
100
100
100
100
100
100
100
100
100
85
93
100
98
67
83
46
62
87

Low Clouds (% Sky Obscured)

43
47
55
57
43
84
50
53
47
67
45
8
0
3
0
0
5
0
30
44
50
39
55
81

Medium Clouds (% Sky Obscured)

86
32
24
45
40
37
50
42
65
70
60
77
82
88
61
72
93
92
72
62
48
5
6
6

High Clouds (% Sky Obscured)

48
76
76
92
100
100
100
100
100
100
100
100
100
100
100
32
49
90
84
1
4
7
20
35

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
3
6
3
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

11
12
13
15
16
17
18
18
18
18
18
17
16
15
14
14
14
14
14
13
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
8
7
7
8
7
6
7
8
10
11
11
11
11
10
10
11
12
12
13
12

Relative Humidity (%)

96
89
78
65
57
51
50
52
48
45
50
56
69
76
79
84
83
78
78
87
90
90
95
96

Pressure (mb)

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

Ozone (du)

285
282
281
278
278
276
273
272
272
271
271
270
268
266
267
267
266
265
264
264
263
262
260
260

Wednesday 17

Waning Crescent 20%

03:37

18:44

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

Sun - Rise: 07:48, Set: 20:13, Transit: 14:00. Moon - Rise: 03:37, Set: 18:44. Civil Dark: 20:45 - 07:16. Nautical Dark: 21:22 - 06:40. Astro Dark: 22:00 - 06:01

Total Clouds (% Sky Obscured)

89
76
73
50
64
43
44
59
66
34
51
56
51
40
46
55
50
70
65
54
58
72
66
70

Low Clouds (% Sky Obscured)

81
76
73
50
64
43
44
59
66
34
51
56
51
40
46
55
50
70
65
54
58
72
66
70

Medium Clouds (% Sky Obscured)

10
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
19
10
3
1
16
7
2
0
1
1
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
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)

6
6
9
10
12
13
13
13
12
12
11
10
8
7
7
7
6
6
5
5
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
14
14
15
17
18
18
19
20
19
19
19
18
17
16
16
16
15
16
16
15
15
15
15

Dew Point (°C)

13
13
13
11
9
8
7
7
7
7
7
9
11
12
13
14
14
14
14
14
13
13
13
13

Relative Humidity (%)

96
93
82
65
53
45
40
37
36
37
40
46
59
70
81
90
93
93
95
95
93
95
93
95

Pressure (mb)

1021
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

261
261
262
264
265
265
265
266
267
268
268
267
267
267
266
264
262
261
260
260
259
258
259
260

Thursday 18

Waning Crescent 12%

04:54

19:07

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 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK

Sun - Rise: 07:49, Set: 20:11, Transit: 13:59. Moon - Rise: 04:54, Set: 19:07. Civil Dark: 20:42 - 07:18. Nautical Dark: 21:19 - 06:41. Astro Dark: 21:58 - 06:03

Total Clouds (% Sky Obscured)

72
70
70
54
51
60
60
64
64
56
75
76
93
82
19
45
91
93
83
74
64
22
30
48

Low Clouds (% Sky Obscured)

72
70
70
54
51
60
60
64
64
40
32
37
39
31
18
25
25
9
6
3
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
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
14
26
55
50
89
73
2
29
87
88
80
72
64
21
29
40

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

Chance of Frost

Temperature (°C)

14
15
17
19
21
23
24
25
26
26
25
24
21
19
18
17
17
17
17
16
16
16
15
15

Feels Like (°C)

15
16
19
20
22
22
24
25
25
25
24
23
20
17
17
17
15
15
14
14
13
13
14
12

Dew Point (°C)

13
13
13
13
11
8
6
5
3
3
2
5
4
3
3
3
3
3
3
4
4
4
4
4

Relative Humidity (%)

95
90
78
65
51
39
31
26
23
22
22
30
32
33
36
37
37
39
41
43
43
46
46
46

Pressure (mb)

1022
1022
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017

Ozone (du)

261
261
262
262
263
263
263
264
263
264
264
263
264
264
264
265
265
266
265
264
264
264
264
263

Friday 19

Waning Crescent 6%

06:08

19:24

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

Sun - Rise: 07:50, Set: 20:09, Transit: 13:59. Moon - Rise: 06:08, Set: 19:24. Civil Dark: 20:40 - 07:19. Nautical Dark: 21:17 - 06:43. Astro Dark: 21:55 - 06:04

Total Clouds (% Sky Obscured)

55
42
56
63
69
79
86
81
57
87
77
6
20
36
75
83
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
3
5
7
15
6
0
1
0
0
0
0
0
0
0
0
2
5
5
16
31
41

Medium Clouds (% Sky Obscured)

55
42
56
60
59
65
76
69
45
80
18
3
12
15
20
19
71
72
71
77
85
87
89
89

High Clouds (% Sky Obscured)

41
29
41
47
51
61
74
54
57
73
53
2
20
36
75
83
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
17
17
15
19
26
37
44
45
41

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

Chance of Frost

Temperature (°C)

15
17
19
21
23
25
26
25
27
28
26
25
22
20
19
18
17
17
17
17
17
17
16
16

Feels Like (°C)

11
14
16
17
20
21
23
25
25
25
23
22
21
20
19
17
16
16
16
16
15
15
15
15

Dew Point (°C)

3
5
5
5
6
7
9
10
8
8
10
10
10
11
11
11
11
11
11
13
12
12
12
12

Relative Humidity (%)

46
44
38
34
34
32
35
38
30
27
36
39
48
55
59
62
66
68
69
76
75
75
77
78

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

263
263
263
263
263
263
262
263
263
263
264
266
266
265
263
263
262
262
262
263
264
265
265
265

Saturday 20

Waning Crescent 2%

07:19

19:39

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:52, Set: 20:07, Transit: 13:59. Moon - Rise: 07:19, Set: 19:39. Civil Dark: 20:38 - 07:21. Nautical Dark: 21:15 - 06:44. Astro Dark: 21:53 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
90
79
70
68
64
47
94
94
100
100
100
100
100
100
100
100
91
85

Low Clouds (% Sky Obscured)

60
78
92
85
79
68
66
66
65
60
55
47
88
86
83
87
91
95
80
66
54
43
35
24

Medium Clouds (% Sky Obscured)

89
88
87
89
93
100
73
43
15
14
20
0
37
42
36
37
39
40
55
64
74
79
80
75

High Clouds (% Sky Obscured)

92
100
100
100
100
100
70
40
2
5
1
0
30
53
77
81
89
97
96
91
84
86
75
69

ISS Passover

Visibility (miles)

9
9
9
9
9
5
3
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

41
38
47
59
80
95
68
42
18
11
7
7
19
15
8
21
38
49
64
71
78
83
84
90

Precipitation Amount (mm)

0
0
0
0.2
0.5
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.5
0.5
0.6

Wind Speed/Direction (mph)

6
5
5
6
7
7
10
7
6
6
6
5
4
6
5
5
5
6
6
6
5
4
4
4

Chance of Frost

Temperature (°C)

15
16
17
18
19
18
17
16
16
16
16
16
14
15
15
14
13
13
13
12
12
11
11
10

Feels Like (°C)

14
16
18
18
19
18
15
15
16
15
15
15
15
16
16
16
15
15
15
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

83
85
82
77
70
81
95
92
92
92
89
83
90
92
93
95
95
95
96
96
95
96
95
96

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1016
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

265
266
267
267
267
268
269
271
274
276
277
279
278
279
280
280
282
285
287
291
295
299
302
305

Sunday 21

New Moon 0%

No Rise

19:53

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 OK
23 OK
00 OK
01 Good
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:53, Set: 20:05, Transit: 13:58. Moon - Rise: No Rise, Set: 19:53. Civil Dark: 20:36 - 07:22. Nautical Dark: 21:13 - 06:46. Astro Dark: 21:51 - 06:08

Total Clouds (% Sky Obscured)

80
75
55
46
61
78
77
72
69
68
69
71
57
45
36
26
13
1
25
47
64
65
79
95

Low Clouds (% Sky Obscured)

38
52
55
46
55
60
60
58
54
51
53
54
47
39
36
25
12
0
25
47
64
65
79
92

Medium Clouds (% Sky Obscured)

55
50
40
25
15
10
10
9
9
13
13
16
17
8
1
1
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

42
24
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

76
59
42
38
34
27
19
11
3
7
9
9
13
12
7
11
10
4
7
7
3
6
7
4

Precipitation Amount (mm)

0.4
0.3
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
6
8
8
8
8
8
8
9
9
9
9
7
6
6
5
5
5
5
6
6
5
4

Chance of Frost

Temperature (°C)

10
11
13
14
15
15
16
17
18
18
17
15
14
13
11
10
10
9
8
8
8
8
9
9

Feels Like (°C)

10
10
11
11
11
12
13
14
14
13
13
14
14
9
9
9
9
9
8
6
6
7
6
6

Dew Point (°C)

9
10
10
10
9
7
6
4
3
2
3
4
5
6
6
7
7
8
8
8
8
8
8
8

Relative Humidity (%)

95
88
83
78
67
58
50
43
37
33
39
46
54
62
71
81
84
90
96
96
96
96
95
91

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

308
311
313
316
316
316
316
318
320
322
322
323
323
321
320
318
316
314
313
314
316
317
319
320

Monday 22

Waxing Crescent 1%

08:29

20:06

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

Sun - Rise: 07:55, Set: 20:03, Transit: 13:58. Moon - Rise: 08:29, Set: 20:06. Civil Dark: 20:34 - 07:24. Nautical Dark: 21:11 - 06:47. Astro Dark: 21:48 - 06:09

Total Clouds (% Sky Obscured)

83
71
59
65
73
79
79
80
82
76
71
65
70
73
74
79
83
88

Low Clouds (% Sky Obscured)

76
61
47
53
59
61
65
68
71
60
50
41
47
53
60
48
33
24

Medium Clouds (% Sky Obscured)

3
6
11
10
10
8
6
5
4
16
28
40
25
14
3
13
23
32

High Clouds (% Sky Obscured)

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
7
6
4
6
8
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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

13
15
14
22
27
28
34
39
43
43
46
50
38
26
16
15
14
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
5
7
8
9
11
10
10
10
10
10
9
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
9
10
11
11
13
13
14
13
12
12
12
11
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

90
81
74
67
66
65
64
67
72
77
80
83
87
87
88
88
88
90

Pressure (mb)

1015
1016
1016
1017
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

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

Forecast for Ercé-près-Liffré, Ille-et-Vilaine, France (48.26,-1.51)

Generated: 16/09/25 08:20:23. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+2.00