Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:53

21:17

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:52, Set: 20:46, Transit: 13:50. Moon - Rise: 06:53, Set: 21:17. Civil Dark: 21:20 - 06:19. Nautical Dark: 22:01 - 05:37. Astro Dark: 22:48 - 04:50

Total Clouds (% Sky Obscured)

58
68
71
91
95
89
86
67
90
100
100
100
100
65
53
73
91
95
95
96
97
93
89
74

Low Clouds (% Sky Obscured)

0
0
23
25
24
16
50
19
0
0
0
0
0
0
6
22
29
35
25
11
31
31
31
13

Medium Clouds (% Sky Obscured)

57
62
60
62
68
60
60
43
52
68
42
18
16
12
31
73
90
89
95
96
55
81
84
74

High Clouds (% Sky Obscured)

8
9
8
23
18
3
2
2
41
98
99
100
65
27
43
52
58
46
64
39
28
24
6
6

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 (%)

9
0
0
0
0
2
3
4
5
0
7
0
0
8
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

17
18
19
19
19
19
20
20
19
19
17
16
15
14
13
12
11
11
11
11
11
11
13
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
50
49
48
44
41
41
42
44
51
60
63
65
67
70
71
72
72
73
72
73
76
75
72

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

360
359
357
356
355
355
357
356
356
353
353
351
349
347
345
343
341
340
341
344
349
352
355
357

Saturday 18

Waxing Crescent 2%

07:21

22:47

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 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 06:50, Set: 20:48, Transit: 13:50. Moon - Rise: 07:21, Set: 22:47. Civil Dark: 21:21 - 06:16. Nautical Dark: 22:03 - 05:34. Astro Dark: 22:50 - 04:47

Total Clouds (% Sky Obscured)

63
53
100
88
97
100
100
100
100
100
99
94
86
56
56
36
0
0
0
0
0
0
0
2

Low Clouds (% Sky Obscured)

8
0
4
16
24
33
18
37
47
54
62
84
78
48
49
36
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

34
34
67
55
65
68
72
72
84
98
94
73
68
38
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
16
84
27
58
92
100
100
100
100
23
58
3
35
45
5
0
0
0
0
0
0
0
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 (%)

13
16
17
9
5
3
10
2
9
34
50
54
39
14
3
1
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
6
7
9
11
10
10
12
10
11
9
8
8
7
6
5
4
4
4
4
4
4
5
6

Chance of Frost

Temperature (°C)

17
19
20
20
21
21
20
18
17
16
14
13
11
11
10
9
8
8
7
6
5
6
9
11

Feels Like (°C)

16
17
18
18
18
18
17
15
14
12
11
9
8
8
7
7
8
8
7
6
5
6
8
11

Dew Point (°C)

11
12
13
13
13
13
11
10
9
7
6
5
5
5
5
5
5
5
4
4
3
3
4
5

Relative Humidity (%)

68
64
64
62
62
60
56
58
57
55
58
60
64
67
72
74
79
81
82
83
85
80
70
63

Pressure (mb)

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

Ozone (du)

360
361
362
362
363
365
367
372
374
377
381
382
383
385
386
389
390
391
391
392
391
392
392
391

Sunday 19

Waxing Crescent 6%

08:00

00:16

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

Sun - Rise: 06:48, Set: 20:49, Transit: 13:50. Moon - Rise: 08:00, Set: 00:16. Civil Dark: 21:23 - 06:14. Nautical Dark: 22:05 - 05:32. Astro Dark: 22:52 - 04:45

Total Clouds (% Sky Obscured)

49
67
83
55
54
90
76
46
45
36
31
9
1
16
27
0
0
32
55
62
53
55
51
53

Low Clouds (% Sky Obscured)

49
20
41
24
24
17
29
32
38
29
23
0
0
0
0
0
0
32
55
62
53
55
51
53

Medium Clouds (% Sky Obscured)

0
43
59
33
33
43
34
6
5
4
26
9
1
6
8
0
0
0
0
0
0
1
0
0

High Clouds (% Sky Obscured)

1
2
30
4
2
58
48
46
45
36
31
9
1
1
2
0
0
1
1
2
2
2
0
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
3
2
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)

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

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
17
16
16
15
13
11
10
9
8
7
6
6
5
5
5
5
7
9

Feels Like (°C)

12
14
15
15
15
15
14
12
12
11
10
8
7
7
6
5
5
4
4
4
3
3
5
7

Dew Point (°C)

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

Relative Humidity (%)

56
50
44
40
37
37
39
43
49
54
60
62
63
67
68
72
76
78
80
83
85
82
75
67

Pressure (mb)

1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

391
390
388
387
387
387
386
386
386
387
387
387
386
384
382
381
380
378
378
378
380
381
381
381

Monday 20

Waxing Crescent 14%

08:54

01:36

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

Sun - Rise: 06:47, Set: 20:51, Transit: 13:50. Moon - Rise: 08:54, Set: 01:36. Civil Dark: 21:25 - 06:12. Nautical Dark: 22:07 - 05:30. Astro Dark: 22:54 - 04:42

Total Clouds (% Sky Obscured)

66
82
87
76
64
54
41
33
28
19
11
0
7
14
20
25
29
33
44
58
66
71
72
77

Low Clouds (% Sky Obscured)

63
59
55
37
18
0
0
0
0
0
0
0
7
14
20
25
29
33
42
51
57
62
68
74

Medium Clouds (% Sky Obscured)

10
20
40
37
39
30
19
21
23
19
9
0
0
1
1
0
0
0
5
14
18
19
18
19

High Clouds (% Sky Obscured)

9
24
20
15
9
0
0
0
0
0
0
0
0
0
0
0
0
0
2
12
2
4
3
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
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
9
9
9
10
12
12
11
12
11
10
9
8
8
8
7
7
7
7
6
7
7
9
10

Chance of Frost

Temperature (°C)

10
11
13
14
14
15
15
14
14
13
11
10
8
7
6
6
5
5
4
5
5
5
7
9

Feels Like (°C)

8
9
9
10
10
10
10
11
10
10
9
8
7
5
4
4
3
3
2
3
2
3
5
6

Dew Point (°C)

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

Relative Humidity (%)

57
50
44
39
37
39
45
44
46
54
57
59
61
63
63
64
66
68
72
75
78
74
66
56

Pressure (mb)

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

Ozone (du)

382
382
382
383
384
384
384
384
383
382
382
383
385
388
391
391
388
384
380
378
378
376
374
374

Tuesday 21

Waxing Crescent 24%

10:04

02:40

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

Sun - Rise: 06:45, Set: 20:52, Transit: 13:49. Moon - Rise: 10:04, Set: 02:40. Civil Dark: 21:26 - 06:10. Nautical Dark: 22:09 - 05:27. Astro Dark: 22:57 - 04:39

Total Clouds (% Sky Obscured)

88
65
62
60
56
64
79
71
60
45
32
14
9
6
3
2
3
3
6
9
10
9
5
2

Low Clouds (% Sky Obscured)

70
65
61
60
56
61
55
47
38
25
13
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
21
23
31
37
46
40
33
26
19
11
4
3
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

23
1
0
2
1
6
20
15
15
14
10
5
1
0
0
0
0
0
4
9
10
9
5
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 (%)

2
3
2
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
42
38
36
35
35
37
39
42
47
53
58
62
62
63
65
64
63
62
60
60
59
53
48

Pressure (mb)

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

Ozone (du)

374
375
375
375
375
375
375
376
376
377
379
381
382
383
384
385
385
386
386
386
385
384
384
385

Wednesday 22

Waxing Crescent 35%

No Rise

03:27

11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
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

Sun - Rise: 06:43, Set: 20:54, Transit: 13:49. Moon - Rise: No Rise, Set: 03:27. Civil Dark: 21:28 - 06:08. Nautical Dark: 22:11 - 05:25. Astro Dark: 22:59 - 04:36

Total Clouds (% Sky Obscured)

9
16
23
21
19
21
22
23
22
14
8
1
1
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

6
12
18
15
14
11
14
16
19
13
7
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)

9
5
3
3
0
0
3
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

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)

12
12
12
12
12
12
12
12
11
10
10
10
9
8
8
7
7
7
7
7
8
8
9
11

Chance of Frost

Temperature (°C)

13
14
15
17
17
17
17
17
16
15
14
13
11
10
10
9
9
8
8
8
7
7
9
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
38
34
31
31
31
31
35
39
44
49
53
57
59
62
63
65
65
65
66
68
69
59
51

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

385
385
386
386
385
383
382
381
380
379
379
379
380
377
375
373
375
378
381
389
397
404
406
407

Thursday 23

Waxing Crescent 46%

11:24

04:00

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

Sun - Rise: 06:41, Set: 20:55, Transit: 13:49. Moon - Rise: 11:24, Set: 04:00. Civil Dark: 21:30 - 06:06. Nautical Dark: 22:13 - 05:23. Astro Dark: 23:02 - 04:33

Total Clouds (% Sky Obscured)

5
12
17
28
36
42
34
24
15
10
5
0
0
0
1
1
1
1
2
2
3

Low Clouds (% Sky Obscured)

5
12
17
13
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

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 (%)

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

Wind Speed/Direction (mph)

12
13
14
14
14
14
14
12
11
10
10
10
10
9
8
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

13
15
16
17
18
18
19
18
17
16
15
13
12
11
10
9
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
42
39
37
36
36
35
38
41
45
49
54
58
60
61
63
62
62
63
63
63

Pressure (mb)

1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

409
407
404
402
398
393
389
386
383
381
378
375
373
372
371
371
371
372
372
372
371

Forecast for Butry-sur-Oise, Val d'Oise, France (49.09,2.20)

Generated: 17/04/26 10:42:45. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+2.00