Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 6%

04:28

18:41

02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 OK
11 OK
12 Good
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: 07:15, Set: 19:33, Transit: 13:24. Moon - Rise: 04:28, Set: 18:41. Civil Dark: 20:02 - 06:46. Nautical Dark: 20:35 - 06:13. Astro Dark: 21:10 - 05:38

Total Clouds (% Sky Obscured)

31
32
20
20
22
31
92
56
48
29
17
95
89
97
100
100
95
100
100
100
96
94
70
89

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
3
2
9
9
0

High Clouds (% Sky Obscured)

0
0
0
0
3
14
90
49
39
18
10
95
87
96
100
100
95
100
100
100
95
83
70
87

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

Chance of Frost

Temperature (°C)

23
22
21
21
21
21
21
23
25
26
27
27
27
27
27
26
25
25
24
23
23
23
23
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
68
68
67
66
65
58
53
51
50
50
49
50
53
54
56
60
62
62
60
61
62
62

Pressure (mb)

1026
1026
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

267
266
265
264
263
262
261
261
261
261
261
261
261
262
262
263
264
265
264
265
265
265
265
265

Saturday 20

Waning Crescent 2%

05:38

19:00

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

Sun - Rise: 07:16, Set: 19:31, Transit: 13:24. Moon - Rise: 05:38, Set: 19:00. Civil Dark: 20:00 - 06:48. Nautical Dark: 20:33 - 06:14. Astro Dark: 21:08 - 05:39

Total Clouds (% Sky Obscured)

32
13
17
14
56
20
26
11
5
4
5
16
24
28
22
13
13
9
3
2
1
6
9
8

Low Clouds (% Sky Obscured)

0
0
3
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
5
5
5
5
5
5
3
3
2
0
5
13
18
15
9
9
6
2
2
0
3
7
6

High Clouds (% Sky Obscured)

32
6
8
6
56
5
18
9
1
1
5
11
7
3
1
1
1
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

23
22
22
22
22
21
22
24
26
27
27
27
27
27
27
26
25
24
23
23
22
22
22
22

Feels Like (°C)

23
24
23
23
23
23
22
26
29
29
29
29
30
29
29
28
28
27
27
25
25
24
24
24

Dew Point (°C)

15
15
15
15
15
15
15
15
16
16
17
17
18
17
17
17
17
17
17
16
16
15
15
15

Relative Humidity (%)

63
64
65
66
66
67
66
58
54
52
52
53
55
54
55
57
60
63
65
65
65
64
64
64

Pressure (mb)

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

Ozone (du)

266
266
265
266
266
266
266
265
265
265
265
266
268
268
270
270
269
268
268
268
270
270
270
269

Sunday 21

New Moon 0%

06:45

19:17

02 Good
03 OK
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 Bad
11 OK
12 OK
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: 07:17, Set: 19:29, Transit: 13:23. Moon - Rise: 06:45, Set: 19:17. Civil Dark: 19:58 - 06:49. Nautical Dark: 20:32 - 06:15. Astro Dark: 21:06 - 05:41

Total Clouds (% Sky Obscured)

13
19
2
2
2
14
40
40
61
40
28
72
74
100
100
100
100
75
77
72
68
80
61
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
18
27
30
23
3
28
28
22
42
39
26
9
9
9
10
14
17
21

Medium Clouds (% Sky Obscured)

8
11
0
0
0
7
16
16
24
13
12
8
18
38
29
23
31
37
43
42
46
38
42
52

High Clouds (% Sky Obscured)

2
2
2
2
2
0
2
0
1
0
2
70
72
100
100
100
100
75
77
72
68
80
61
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
Light Rain
Very Light Rain
None
Light Rain
None
None
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
13
69
50
37
58
31
40
48
53
60
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0
0.5
0
0
0.2
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
21
20
20
21
23
25
26
26
26
26
26
26
25
24
23
23
22
22
22
22
21

Feels Like (°C)

23
23
22
22
21
21
21
25
27
27
27
27
27
27
25
25
25
25
26
26
25
24
22
23

Dew Point (°C)

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

Relative Humidity (%)

63
61
60
58
57
55
54
48
44
43
46
49
50
51
53
57
62
66
71
72
71
67
63
63

Pressure (mb)

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

Ozone (du)

268
268
267
268
268
269
269
269
269
269
268
269
269
269
269
270
271
271
271
273
273
272
273
273

Monday 22

Waxing Crescent 1%

07:50

19:34

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
00 Bad
01 Bad

Sun - Rise: 07:18, Set: 19:27, Transit: 13:23. Moon - Rise: 07:50, Set: 19:34. Civil Dark: 19:56 - 06:50. Nautical Dark: 20:30 - 06:16. Astro Dark: 21:04 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
99
99
92
86
80
67
93
100

Low Clouds (% Sky Obscured)

25
27
43
44
69
55
52
53
56
52
55
56
48
35
30
31
84
87
89
86
55
19
22
26

Medium Clouds (% Sky Obscured)

44
72
90
90
42
50
50
50
50
55
62
83
86
28
67
45
69
74
71
65
70
42
84
59

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
97
96
69
40
9
29
48
100

ISS Passover

Visibility (miles)

9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
4
1
2
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

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

Precipitation Probability (%)

72
86
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
38
12
16
14
10

Precipitation Amount (mm)

0.3
0.4
0.7
0.8
0.9
0.9
1.2
1.6
2.1
1.9
1.8
1.5
1.1
1
1.2
1.3
1.1
2.5
0.8
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
4
3
3
3
2
1
2
3
3
2
3
4
3
1
0
0
1
0
2
2
2

Chance of Frost

Temperature (°C)

21
21
20
20
20
20
20
21
23
24
24
24
24
24
24
23
22
21
19
20
20
20
19
19

Feels Like (°C)

21
20
20
20
20
19
19
22
23
24
23
24
24
25
24
23
23
23
21
19
21
20
21
20

Dew Point (°C)

14
14
14
15
16
16
16
15
15
15
15
16
16
16
16
16
17
18
18
17
17
17
16
15

Relative Humidity (%)

62
65
66
75
78
77
77
68
60
57
56
59
60
59
59
66
73
80
89
86
81
82
81
80

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

274
274
275
276
277
279
281
282
283
284
285
286
285
284
284
284
283
283
284
285
285
284
286
286

Tuesday 23

Waxing Crescent 3%

08:55

19:52

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
00 Bad
01 Bad

Sun - Rise: 07:20, Set: 19:26, Transit: 13:23. Moon - Rise: 08:55, Set: 19:52. Civil Dark: 19:54 - 06:51. Nautical Dark: 20:28 - 06:17. Astro Dark: 21:02 - 05:43

Total Clouds (% Sky Obscured)

93
85
78
74
72
68
65
60
54
53
52
52
52
46
55
44
44
43
36
28
23
17
10
4

Low Clouds (% Sky Obscured)

34
45
62
69
71
68
65
60
54
49
43
41
42
43
50
42
40
43
36
28
19
14
9
4

Medium Clouds (% Sky Obscured)

93
85
78
74
72
38
65
60
54
53
52
52
52
46
55
44
44
33
29
26
22
16
10
4

High Clouds (% Sky Obscured)

85
73
50
35
30
25
25
25
25
25
25
20
20
15
15
9
12
10
9
6
0
0
0
0

ISS Passover

Visibility (miles)

9
4
4
3
8
9
9
9
9
9
9
9
3
5
7
9
7
5
3
5
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

38
89
95
95
67
33
24
12
19
36
48
67
60
58
57
46
40
32
39
45
50
55
59
62

Precipitation Amount (mm)

0
0.5
0.9
1.2
0.3
0
0
0
0
0
0
0.5
0.4
0.3
0.3
0
0
0
0
0
0
0.2
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
18
18
18
19
20
21
21
20
20
20
20
19
19
18
18
18
17
17
17

Feels Like (°C)

18
19
18
18
17
17
19
18
20
20
21
21
20
20
20
20
20
19
19
19
20
19
19
20

Dew Point (°C)

15
15
15
16
15
15
15
15
15
15
15
16
17
18
18
18
17
17
17
16
16
16
15
15

Relative Humidity (%)

80
80
82
85
83
82
81
80
77
74
70
76
82
85
86
88
88
88
89
89
89
90
89
89

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

286
286
286
286
287
287
287
288
288
288
288
289
290
291
291
292
293
293
294
295
297
298
299
299

Wednesday 24

Waxing Crescent 7%

09:59

20:12

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

Sun - Rise: 07:21, Set: 19:24, Transit: 13:22. Moon - Rise: 09:59, Set: 20:12. Civil Dark: 19:52 - 06:52. Nautical Dark: 20:26 - 06:19. Astro Dark: 21:00 - 05:45

Total Clouds (% Sky Obscured)

9
14
18
13
7
0
0
0
0
1
2
4
3
3
2
15
30
49
36
20
1
0
0
0

Low Clouds (% Sky Obscured)

9
11
14
9
7
0
0
0
0
0
0
0
1
1
2
4
6
8
5
3
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
1
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

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
None

Precipitation Probability (%)

54
45
32
27
22
6
9
7
1
4
4
2
14
16
10
33
38
32
30
23
11
8
4
0

Precipitation Amount (mm)

0.3
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
6
6
6
7
7
3
0
2
4
5
6
6
7
6
4
2
4
4
5
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
18
17
16
16
15
17
17
18
19
20
24
22
21
21
21
21
17
18
18
17
18

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
80
78
76
75
65
57
49
47
47
45
43
40
38
42
46
52
53
55
58
57
57

Pressure (mb)

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

Ozone (du)

300
303
305
307
310
314
317
319
322
325
323
320
318
319
319
320
319
319
318
315
312
310
309
308

Thursday 25

Waxing Crescent 13%

11:05

20:35

Sun - Rise: 07:22, Set: 19:22, Transit: 13:22. Moon - Rise: 11:05, Set: 20:35. Civil Dark: 19:50 - 06:53. Nautical Dark: 20:24 - 06:20. Astro Dark: 20:58 - 05:46

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Nice, Alpes-Maritimes, France (43.71,7.26)

Generated: 19/09/25 02:04:14. Forecast: 19/09/25 to 25/09/25. Timezone: UTC+2.00