Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 28

Waxing Gibbous 92%

No Rise

07:04

16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Good
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

Sun - Rise: 07:46, Set: 18:48, Transit: 13:18. Moon - Rise: No Rise, Set: 07:04. Civil Dark: 19:20 - 07:14. Nautical Dark: 19:56 - 06:38. Astro Dark: 20:32 - 06:02

Total Clouds (% Sky Obscured)

78
83
57
62
45
15
0
46
55
68
75
52
96
97
99
99
100
98
92
91
98
99
95
85

Low Clouds (% Sky Obscured)

28
38
32
0
0
0
0
31
49
68
61
52
54
59
75
56
56
80
68
67
92
94
80
75

Medium Clouds (% Sky Obscured)

41
4
22
16
23
15
0
13
4
3
65
45
90
87
87
86
95
88
84
83
72
88
70
43

High Clouds (% Sky Obscured)

7
0
0
0
0
0
0
0
17
31
30
35
34
43
48
92
100
79
20
42
80
74
50
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
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 (%)

21
0
0
0
0
0
0
0
0
0
0
0
1
3
6
18
22
7
7
14
20
19
16
10

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)

10
10
7
5
6
6
5
5
5
6
6
7
8
9
9
10
10
11
12
12
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
11
8
7
6
4
3
4
3
3
3
2
2
2
3
2
3
4
5
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

55
62
70
77
87
91
91
93
94
96
96
96
96
96
96
94
94
93
88
85
81
81
80
77

Pressure (mb)

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

Ozone (du)

421
420
420
422
425
421
417
414
410
407
405
402
399
395
392
389
389
390
389
388
387
388
387
388

Sunday 1

Waxing Gibbous 97%

16:32

07:25

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Good
23 Good
00 OK
01 OK
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 OK
15 OK

Sun - Rise: 07:44, Set: 18:50, Transit: 13:18. Moon - Rise: 16:32, Set: 07:25. Civil Dark: 19:21 - 07:12. Nautical Dark: 19:57 - 06:36. Astro Dark: 20:33 - 06:00

Total Clouds (% Sky Obscured)

84
91
94
80
74
45
0
5
31
28
67
79
83
77
77
75
69
68
80
69
66
66
29
30

Low Clouds (% Sky Obscured)

43
70
82
16
0
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
10

Medium Clouds (% Sky Obscured)

35
29
32
30
40
21
0
5
18
17
37
42
63
49
41
40
40
40
48
43
43
45
17
14

High Clouds (% Sky Obscured)

2
10
13
38
6
4
0
5
31
28
10
25
25
25
19
10
12
6
21
4
1
2
7
2

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 (%)

6
0
5
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)

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

Chance of Frost

Temperature (°C)

12
12
11
10
9
8
7
7
7
6
6
6
6
6
6
6
5
6
8
10
12
14
15
16

Feels Like (°C)

8
8
8
7
5
5
5
3
4
2
1
3
2
2
2
2
2
2
5
6
8
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

73
76
80
85
90
90
91
91
88
87
85
85
85
86
86
88
88
85
81
76
73
71
69
69

Pressure (mb)

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

Ozone (du)

387
386
385
385
385
384
383
383
382
380
378
378
377
376
377
378
378
379
381
382
380
379
377
376

Monday 2

Waxing Gibbous 100%

17:52

07:42

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

Sun - Rise: 07:42, Set: 18:52, Transit: 13:17. Moon - Rise: 17:52, Set: 07:42. Civil Dark: 19:23 - 07:11. Nautical Dark: 19:59 - 06:34. Astro Dark: 20:35 - 05:58

Total Clouds (% Sky Obscured)

47
42
62
58
37
46
57
85
98
92
100
100
100
89
67
16
98
95
92
66
33
40
45
57

Low Clouds (% Sky Obscured)

30
35
17
0
0
0
0
0
0
0
0
0
0
0
0
4
4
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
14
37
40
24
28
57
85
92
24
55
62
66
63
61
6
40
31
35
13
7
6
7
10

High Clouds (% Sky Obscured)

3
2
2
2
2
3
7
35
85
84
100
100
100
17
4
16
77
78
67
52
25
33
38
46

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
1
1
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)

12
11
8
5
4
5
5
5
5
5
5
5
5
5
5
5
5
6
8
9
9
8
9
9

Chance of Frost

Temperature (°C)

16
15
14
12
11
10
9
9
9
9
8
8
8
8
7
7
7
8
10
12
13
15
15
16

Feels Like (°C)

14
13
12
11
10
9
9
6
6
6
6
5
5
5
6
5
4
5
7
9
12
13
15
15

Dew Point (°C)

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

Relative Humidity (%)

73
74
79
89
91
91
93
93
95
95
93
93
95
94
94
94
93
91
84
77
72
69
67
66

Pressure (mb)

1013
1014
1014
1015
1016
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1020

Ozone (du)

378
379
381
384
384
384
386
388
390
392
392
393
393
394
393
392
392
392
392
392
392
393
393
392

Tuesday 3

Full Moon 100%

19:08

07:57

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

Sun - Rise: 07:40, Set: 18:53, Transit: 13:17. Moon - Rise: 19:08, Set: 07:57. Civil Dark: 19:24 - 07:09. Nautical Dark: 20:00 - 06:33. Astro Dark: 20:37 - 05:56

Total Clouds (% Sky Obscured)

76
76
80
74
60
50
6
6
4
4
6
7
8
13
11
15
23
33
32
31
27
30
31
36

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
4
7
10
15
23
33
32
31
27
30
31
36

Medium Clouds (% Sky Obscured)

57
67
80
74
60
50
4
3
3
3
5
6
3
6
4
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

36
27
17
13
5
0
0
1
0
0
0
0
1
2
1
1
1
1
1
0
0
0
1
2

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)

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

Chance of Frost

Temperature (°C)

16
15
14
12
11
10
9
9
9
8
8
8
7
7
7
7
7
9
10
12
14
15
16
16

Feels Like (°C)

15
14
12
10
9
8
7
8
8
7
7
7
7
6
6
6
6
8
9
11
12
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

67
73
82
87
88
88
90
90
91
93
93
93
93
94
93
94
94
93
84
79
71
67
66
66

Pressure (mb)

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

Ozone (du)

392
392
393
393
393
395
395
396
396
397
397
396
397
397
399
399
399
398
397
397
397
397
397
397

Wednesday 4

Waning Gibbous 97%

20:22

08:11

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

Sun - Rise: 07:38, Set: 18:55, Transit: 13:17. Moon - Rise: 20:22, Set: 08:11. Civil Dark: 19:26 - 07:07. Nautical Dark: 20:02 - 06:31. Astro Dark: 20:38 - 05:54

Total Clouds (% Sky Obscured)

29
11
2
5
9
15
20
25
29
33
38
40
46
23
14
97
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
11
0
5
9
15
19
23
26
30
33
36
29
20
13
95
95
95
95
94
94
93
94
97

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
6
10
14
19
24
16
8
2
79
70
60
59
57
55
77
91
100

High Clouds (% Sky Obscured)

2
2
2
2
0
1
1
1
0
0
0
0
13
1
1
14
17
18
40
60
80
84
91
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
7
4

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
62
72
87
89
95
95
91
91
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.6
0.7
0.6
0.5
0.5
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
14
12
11
11
10
10
10
9
9
9
9
9
8
8
10
10
10
11
11
12
11
11

Feels Like (°C)

14
14
14
12
11
10
9
9
8
8
8
8
8
6
5
5
6
6
5
5
5
5
8
8

Dew Point (°C)

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

Relative Humidity (%)

66
72
78
86
88
90
90
90
90
90
91
93
93
91
88
85
84
83
81
83
83
84
87
90

Pressure (mb)

1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

397
398
398
399
400
402
404
406
409
410
409
408
407
406
405
404
405
405
405
405
406
407
400
392

Thursday 5

Waning Gibbous 93%

21:34

08:26

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
08 Bad
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:36, Set: 18:56, Transit: 13:17. Moon - Rise: 21:34, Set: 08:26. Civil Dark: 19:27 - 07:05. Nautical Dark: 20:03 - 06:29. Astro Dark: 20:40 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
85
75
63
52
45
40
30
10
14
19
32
27
26
30

Low Clouds (% Sky Obscured)

94
90
86
80
74
73
66
64
60
67
70
70
56
46
34
25
20
5
10
19
29
23
18
12

Medium Clouds (% Sky Obscured)

99
98
97
85
77
74
77
82
85
85
85
75
63
52
45
40
30
10
14
19
32
27
26
30

High Clouds (% Sky Obscured)

95
94
93
96
98
100
100
100
100
70
37
5
5
5
10
10
10
10
14
19
32
27
26
30

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
89
73
54
64
69
63
53
60
73
81
68
38
44
41
26
30
38
49
54
58
48

Precipitation Amount (mm)

0.7
0.8
0.9
0.6
0.3
0
0.3
0.4
0
0
0.2
0.4
0.6
0.4
0
0
0
0
0
0
0
0.2
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
95
95
96
96
94
94
94
96
96
98
96
96
96
94
96
95
95
95
93
90

Pressure (mb)

1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020
1021
1021
1022
1022
1022

Ozone (du)

385
384
382
380
381
382
383
382
382
382
380
378
377
377
376
376
374
372
369
370
370
370
372
374

Friday 6

Waning Gibbous 87%

22:46

08:42

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 OK
08 OK
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 07:34, Set: 18:58, Transit: 13:16. Moon - Rise: 22:46, Set: 08:42. Civil Dark: 19:29 - 07:03. Nautical Dark: 20:05 - 06:27. Astro Dark: 20:41 - 05:50

Total Clouds (% Sky Obscured)

56
63
67
74
80
83
80
83
81
71
61
54
47
42
39
34
30
25
29
33
37

Low Clouds (% Sky Obscured)

27
40
46
48
55
60
59
59
55
47
36
25
30
37
39
34
20
5
7
7
10

Medium Clouds (% Sky Obscured)

56
63
66
56
50
60
60
65
70
63
51
42
28
13
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
63
65
65
65
65
75
75
80
71
61
48
30
15
1
0
0
0
4
8
12

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

Fog (%)

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

Precipitation Probability (%)

40
31
18
21
13
2
14
20
24
22
18
4
5
6
2
2
4
3
14
17
18

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
3
3
3
2
3
3
3
2
1
1
1
0
-0
1
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

88
87
85
84
85
85
86
83
83
82
83
85
88
88
88
86
83
82
78
70
64

Pressure (mb)

1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1029
1029
1030
1030
1031
1031
1031
1031

Ozone (du)

376
381
386
390
394
397
401
403
405
407
408
409
410
410
410
411
410
410
409
405
401

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

Generated: 28/02/26 16:43:39. Forecast: 28/02/26 to 06/03/26. Timezone: UTC+1.00