Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

04:33

18:29

18 Good
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 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK

Sun - Rise: 07:22, Set: 19:43, Transit: 13:31. Moon - Rise: 04:33, Set: 18:29. Civil Dark: 20:12 - 06:53. Nautical Dark: 20:46 - 06:18. Astro Dark: 21:22 - 05:43

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
0
5
6
10
31
37
38
51
85
100
72
39
43

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
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
0
3
0
0
0
0
0
0
7
10
9
2
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
4
6
22
28
19
36
73
100
55
27
20

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

Chance of Frost

Temperature (°C)

22
20
17
16
16
15
15
15
14
14
14
14
14
14
15
18
20
22
24
25
26
26
26
25

Feels Like (°C)

24
23
20
18
17
16
16
16
15
15
15
15
14
15
15
19
20
21
23
24
25
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

57
71
78
78
75
74
73
71
73
74
76
78
80
83
82
74
62
53
48
45
44
42
42
44

Pressure (mb)

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

Ozone (du)

267
266
266
264
263
262
261
260
259
258
259
258
257
255
254
255
254
254
253
252
252
252
252
253

Friday 19

Waning Crescent 2%

05:44

18:50

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

Sun - Rise: 07:23, Set: 19:41, Transit: 13:31. Moon - Rise: 05:44, Set: 18:50. Civil Dark: 20:10 - 06:54. Nautical Dark: 20:44 - 06:20. Astro Dark: 21:20 - 05:44

Total Clouds (% Sky Obscured)

55
66
66
28
32
20
18
13
19
14
25
33
46
53
55
82
89
75
33
34
39
31
26
25

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)

15
23
22
21
24
20
18
13
19
14
21
29
31
23
22
23
20
20
22
21
20
22
18
15

High Clouds (% Sky Obscured)

20
25
19
1
1
0
0
0
0
0
17
14
30
39
38
63
73
54
8
7
16
3
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
22
18
18
19
19
18
18
17
17
17
18
17
17
17
18
19
21
21
23
23
23
23
23

Dew Point (°C)

15
17
15
14
15
15
14
14
12
13
13
13
13
13
13
12
12
11
10
9
8
9
9
10

Relative Humidity (%)

58
73
76
77
78
80
78
77
74
74
74
73
73
73
72
65
56
46
40
37
36
36
37
41

Pressure (mb)

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

Ozone (du)

253
253
254
254
254
255
254
254
254
253
253
252
252
252
251
250
251
252
252
252
254
254
253
254

Saturday 20

Waning Crescent 0%

06:52

19:08

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

Sun - Rise: 07:25, Set: 19:39, Transit: 13:31. Moon - Rise: 06:52, Set: 19:08. Civil Dark: 20:08 - 06:55. Nautical Dark: 20:42 - 06:21. Astro Dark: 21:18 - 05:46

Total Clouds (% Sky Obscured)

29
30
32
24
20
29
32
62
39
53
39
33
40
51
40
69
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
28
30
50
68
63
69
71
54

Medium Clouds (% Sky Obscured)

19
17
15
13
13
12
14
20
12
9
39
33
40
51
40
68
84
90
99
100
99
98
97
74

High Clouds (% Sky Obscured)

2
2
2
1
3
4
3
12
6
15
15
15
15
16
17
20
97
95
98
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
4
4
7

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
1
1
4
21
62
78
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.5
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
21
20
19
18
17
17
18
17
17
17
17
16
16
16
18
19
20
20
19
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

11
13
14
13
13
13
13
14
14
14
14
12
12
11
11
12
11
8
8
10
12
12
16
16

Relative Humidity (%)

47
58
68
69
71
73
74
77
79
81
79
73
73
71
73
71
61
47
44
54
70
72
95
95

Pressure (mb)

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

Ozone (du)

254
253
253
252
254
254
254
253
254
255
255
255
255
256
257
257
259
260
260
260
261
261
260
263

Sunday 21

New Moon 1%

07:58

19:25

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:26, Set: 19:37, Transit: 13:30. Moon - Rise: 07:58, Set: 19:25. Civil Dark: 20:06 - 06:57. Nautical Dark: 20:40 - 06:22. Astro Dark: 21:16 - 05:47

Total Clouds (% Sky Obscured)

100
100
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)

86
81
88
84
78
85
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
48
47
88
52
50
50
47
40
68
36
53
35
33

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
91
90
90
81
73
82
91
95
82

ISS Passover

Visibility (miles)

5
9
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Moderate Rain
Heavy Rain
Heavy Rain
Heavy Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
86
71
60
41
53
45
34
30
16

Precipitation Amount (mm)

0.7
1
5
18.6
19.8
21.8
8.8
2.1
1.3
1.6
1.6
1.1
1
1.2
0.8
0.5
0.3
0.2
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
12
11
11
11
9
8
10
9
9
9
9
9
9
9
8
8
8
9
8
8
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

89
92
95
98
100
100
98
98
98
98
98
98
98
100
100
100
100
100
98
98
100
100
100
100

Pressure (mb)

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

Ozone (du)

263
264
263
259
260
260
262
265
267
268
269
272
273
273
274
273
273
274
274
276
278
279
280
281

Monday 22

Waxing Crescent 3%

09:04

19:41

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:27, Set: 19:35, Transit: 13:30. Moon - Rise: 09:04, Set: 19:41. Civil Dark: 20:04 - 06:58. Nautical Dark: 20:38 - 06:23. Astro Dark: 21:14 - 05:48

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
100
100
100
100
100
100
100
100
99
99
99
99
99
99
99
99
100
99

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

29
29
25
21
21
16
12
13
10
7
5
5
7
8
34
57
74
59
47
33
31
33
35
30

High Clouds (% Sky Obscured)

66
64
46
28
10
10
10
10
5
10
10
10
10
10
55
70
80
69
62
57
49
33
18
16

ISS Passover

Visibility (miles)

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

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 (%)

18
13
7
7
3
4
2
2
5
5
6
6
6
15
15
12
11
15
16
14
21
25
29
33

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
9
9
9
9
9
8
8
8
7
7
7
7
8
9
9
9
9
9
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
98
100
100
100
100
100
100
100
100
100
100
98
100
98
98
98
96
96
98
96

Pressure (mb)

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

Ozone (du)

281
278
279
280
280
281
281
280
280
280
280
280
280
280
281
282
283
284
284
285
285
286
287
288

Tuesday 23

Waxing Crescent 7%

10:10

19:58

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:28, Set: 19:33, Transit: 13:30. Moon - Rise: 10:10, Set: 19:58. Civil Dark: 20:02 - 06:59. Nautical Dark: 20:36 - 06:25. Astro Dark: 21:12 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
81
72
80
86
89
88
88
87
80

Low Clouds (% Sky Obscured)

84
79
83
85
83
86
91
96
97
98
100
97
93
90
83
77
71
74
77
80
79
80
79
71

Medium Clouds (% Sky Obscured)

50
79
89
99
100
100
100
100
100
100
100
100
95
95
75
55
33
23
12
1
1
1
1
1

High Clouds (% Sky Obscured)

18
22
14
14
50
35
25
20
25
20
25
15
15
15
27
31
46
31
17
2
2
2
2
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
1
2
3
5
7
9
9
8
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
37
45
54
64
95
95
95
95
95
95
95
75
41
55
43
24
32
33
29
26
25
24
24

Precipitation Amount (mm)

0
0
0
0
0.3
0.7
1.1
2
2.6
2.9
3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
9
8
8
8
8
8
8
7
7
7
7
6
6
7
8
9
10
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

10
9
9
8
8
8
8
8
7
7
7
7
6
6
6
6
7
7
7
7
7
7
7
7

Relative Humidity (%)

98
100
100
100
100
98
100
100
98
100
98
98
98
98
96
93
88
84
81
76
73
75
76
77

Pressure (mb)

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

Ozone (du)

288
289
290
290
291
292
292
293
293
297
300
304
308
312
316
318
320
323
322
320
319
320
320
321

Wednesday 24

Waxing Crescent 13%

11:16

20:16

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:29, Set: 19:31, Transit: 13:29. Moon - Rise: 11:16, Set: 20:16. Civil Dark: 20:00 - 07:00. Nautical Dark: 20:34 - 06:26. Astro Dark: 21:10 - 05:51

Total Clouds (% Sky Obscured)

71
61
53
54
50
59
67
73
78
82
84
84
80
75
70
55
45
61
82
96

Low Clouds (% Sky Obscured)

59
46
32
30
34
41
52
59
55
57
53
58
67
67
68
55
45
61
82
94

Medium Clouds (% Sky Obscured)

2
2
2
1
0
0
1
1
2
3
3
23
24
34
33
24
2
2
2
2

High Clouds (% Sky Obscured)

3
2
1
1
1
1
0
1
6
11
11
11
10
9
3
0
1
21
43
62

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

23
21
20
16
1
4
4
0
2
1
0
4
5
1
1
0
0
6
8
9

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
98
98
98
96
98
98
98
98
96
94
94
96
96
94
91
90
84
81

Pressure (mb)

1019
1019
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020

Ozone (du)

321
321
320
321
321
321
320
319
319
317
316
315
312
309
306
305
304
303
301
299

Forecast for La Chapelle-en-Vercors, Drôme, France (44.97,5.42)

Generated: 18/09/25 18:05:28. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00