Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 50%

08:54

03:13

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 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 OK
02 OK
03 OK
04 OK
05 OK
06 Bad

Sun - Rise: 05:47, Set: 18:22, Transit: 12:06. Moon - Rise: 08:54, Set: 03:13. Civil Dark: 18:55 - 05:14. Nautical Dark: 19:35 - 04:33. Astro Dark: 20:18 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
99
71
100
96
79
49
48
45
54
39
39
34
23
14
12
37
39
28
37
48
49

Low Clouds (% Sky Obscured)

60
59
69
58
50
46
46
35
33
34
42
54
39
39
34
23
14
12
11
23
28
37
48
49

Medium Clouds (% Sky Obscured)

100
100
58
83
71
100
24
79
49
48
45
54
3
3
0
0
4
0
9
7
0
0
0
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4
4
0

ISS Passover

Visibility (miles)

2
9
9
2
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 (%)

44
54
59
29
24
36
39
35
26
20
4
1
0
0
1
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
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)

13
13
16
15
14
16
17
17
16
16
16
15
14
14
13
12
12
11
10
10
9
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
3
5
4
3
1
0
0
1
1
0
-1
-1
-1
1
-0
-1
-1
-1
-1
-1
-0
0

Relative Humidity (%)

87
88
78
87
75
64
58
54
55
57
60
58
59
60
65
71
70
71
71
75
74
77
80
83

Pressure (mb)

1005
1007
1008
1009
1009
1010
1010
1010
1011
1011
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

411
408
403
402
402
407
416
418
418
416
416
414
417
419
413
404
398
390
384
376
368
359
352
348

Thursday 26

Waxing Gibbous 61%

10:08

03:50

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

Sun - Rise: 05:45, Set: 18:24, Transit: 12:05. Moon - Rise: 10:08, Set: 03:50. Civil Dark: 18:57 - 05:11. Nautical Dark: 19:37 - 04:31. Astro Dark: 20:20 - 03:48

Total Clouds (% Sky Obscured)

33
43
28
6
20
39
57
60
81
58
83
43
54
67
57
59
87
84
100
92
87
91
99
100

Low Clouds (% Sky Obscured)

33
43
28
0
0
11
26
28
23
32
31
0
10
0
0
0
26
30
38
54
60
82
98
96

Medium Clouds (% Sky Obscured)

0
3
3
4
9
12
12
12
17
15
30
43
54
56
52
35
35
34
93
50
42
52
63
69

High Clouds (% Sky Obscured)

2
2
4
6
13
7
16
6
1
6
10
6
6
6
7
8
4
18
84
27
41
16
38
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
1
1
0
0
0
0
0
0
0
4
20
34
41
22
24

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

Chance of Frost

Temperature (°C)

3
5
6
7
8
9
10
10
10
10
10
9
8
7
6
6
5
5
5
5
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
66
57
48
40
35
33
33
34
36
40
46
54
61
65
67
70
72
72
72
79
82
88
88

Pressure (mb)

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

Ozone (du)

348
348
346
344
341
339
334
329
325
321
321
320
320
320
320
319
318
318
318
319
320
320
320
319

Friday 27

Waxing Gibbous 72%

11:32

04:16

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

Sun - Rise: 05:43, Set: 18:25, Transit: 12:05. Moon - Rise: 11:32, Set: 04:16. Civil Dark: 18:59 - 05:09. Nautical Dark: 19:39 - 04:29. Astro Dark: 20:22 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
99
100
100
100
100
100
100
97
74
30
33
36
44
60
77
80
85

Low Clouds (% Sky Obscured)

98
80
61
55
66
81
90
82
89
100
100
100
100
100
91
49
5
1
0
1
0
0
0
0

Medium Clouds (% Sky Obscured)

49
43
35
51
82
87
78
98
100
100
97
100
100
88
62
71
30
33
36
44
60
36
60
70

High Clouds (% Sky Obscured)

89
64
100
84
85
100
100
82
100
30
37
84
25
35
25
25
20
24
23
27
45
73
80
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
18
7
13
23
26
30
38
26
14
24
35
54
48
11
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
7
8
10
11
12
12
13
12
12
12
11
11
11
10
9
8
7
6
5
5
4
4
3

Feels Like (°C)

4
5
6
7
8
10
10
10
10
9
9
9
9
9
6
6
5
4
3
2
1
1
1
2

Dew Point (°C)

5
6
7
7
7
9
10
9
10
10
10
10
10
10
7
6
5
3
2
2
1
1
1
-0

Relative Humidity (%)

91
93
91
85
77
81
86
76
83
87
90
90
93
95
85
80
78
74
75
79
78
79
79
77

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1020
1020
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024

Ozone (du)

318
317
318
319
318
317
316
316
317
319
319
320
321
322
322
325
327
331
335
338
339
344
349
356

Saturday 28

Waxing Gibbous 82%

12:58

05:34

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

Sun - Rise: 06:40, Set: 18:27, Transit: 12:05. Moon - Rise: 12:58, Set: 05:34. Civil Dark: 19:01 - 06:07. Nautical Dark: 19:41 - 05:26. Astro Dark: 20:24 - 04:43

Total Clouds (% Sky Obscured)

80
75
54
70
22
71
87
100
82
45
35
36
37
34
23
29
2
2
16
20
10
28
16
42

Low Clouds (% Sky Obscured)

0
0
10
25
22
37
40
46
35
36
35
36
37
34
23
14
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

80
75
54
28
0
30
51
57
79
27
15
12
7
0
0
0
0
0
0
2
3
21
16
11

High Clouds (% Sky Obscured)

80
75
54
32
0
0
0
0
0
0
0
0
0
0
0
17
2
2
16
20
10
23
6
38

ISS Passover

Visibility (miles)

9
9
9
6
9
6
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
16
34
24
32
27
33
30
24
14
12
8
1
2
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)

7
7
10
13
11
13
14
13
13
13
11
12
11
10
10
10
10
9
8
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
62
52
62
63
46
42
40
44
47
49
54
59
59
62
63
64
66
68
71
72
73
73
76

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1026
1027
1027
1028
1029
1030
1031
1031
1032
1032
1033
1033
1033
1034
1034
1034

Ozone (du)

369
385
391
402
410
415
419
421
421
417
411
406
402
397
398
395
394
395
395
393
391
391
391
389

Sunday 29

Waxing Gibbous 89%

15:21

05:48

07 OK
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

Sun - Rise: 06:38, Set: 19:29, Transit: 13:05. Moon - Rise: 15:21, Set: 05:48. Civil Dark: 20:02 - 06:04. Nautical Dark: 20:43 - 05:24. Astro Dark: 21:26 - 04:40

Total Clouds (% Sky Obscured)

42
61
77
85
92
100
100
100
100
100
100
100
100
100
100
100
100
100
95
89
83
81
79
84

Low Clouds (% Sky Obscured)

0
0
0
0
1
0
14
28
44
44
44
45
93
96
100
86
72
58
66
74
82
81
79
78

Medium Clouds (% Sky Obscured)

11
30
2
58
70
85
87
81
86
91
99
90
70
58
54
70
76
81
72
62
50
32
17
3

High Clouds (% Sky Obscured)

38
58
75
80
87
100
100
100
100
100
100
100
100
100
100
100
100
100
77
53
30
40
40
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
1
1
8
9
9
2
2
0
0
0
0
4
6
7
6
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-1
1
2
3
4
5
5
6
6
7
7
7
8
8
8
8
8
8

Relative Humidity (%)

76
71
66
60
54
48
46
50
54
57
64
68
72
74
78
81
83
83
85
85
87
87
88
90

Pressure (mb)

1034
1034
1034
1035
1034
1033
1032
1031
1031
1030
1029
1028
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1026
1026

Ozone (du)

389
387
382
378
375
373
372
367
365
362
360
357
353
347
342
336
334
332
330
328
326
324
325
326

Monday 30

Waxing Gibbous 95%

16:41

06:00

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

Sun - Rise: 06:36, Set: 19:30, Transit: 13:04. Moon - Rise: 16:41, Set: 06:00. Civil Dark: 20:04 - 06:02. Nautical Dark: 20:45 - 05:21. Astro Dark: 21:28 - 04:37

Total Clouds (% Sky Obscured)

77
61
49
56
62
89
89
89
89
75
62
44
43
45
38
48
59
69
48
27
14
29
46
67

Low Clouds (% Sky Obscured)

69
61
49
56
61
69
77
82
79
71
62
44
43
45
38
38
38
38
27
16
6
7
9
10

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

24
15
2
1
0
0
23
46
69
46
21
0
2
5
7
16
23
34
26
19
14
23
26
28

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

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

Chance of Frost

Temperature (°C)

9
10
11
12
13
14
15
16
16
17
16
16
15
14
14
12
12
11
10
9
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
83
76
70
68
66
66
63
59
56
61
64
67
70
72
76
77
78
81
82
85
87
85
85

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

327
326
325
323
324
325
326
324
323
322
321
321
321
320
319
319
317
315
313
315
318
320
322
323

Tuesday 31

Waxing Gibbous 99%

17:59

06:11

07 OK
08 OK
09 Good
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:34, Set: 19:32, Transit: 13:04. Moon - Rise: 17:59, Set: 06:11. Civil Dark: 20:06 - 06:00. Nautical Dark: 20:47 - 05:19. Astro Dark: 21:31 - 04:34

Total Clouds (% Sky Obscured)

46
25
4
19
34
49
47
44
35
35
25
26
28
31
40
49
58
66

Low Clouds (% Sky Obscured)

8
6
4
19
33
47
47
44
35
35
25
22
21
20
14
12
13
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
5
7
10
13
15
18
17

High Clouds (% Sky Obscured)

19
14
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
6

Relative Humidity (%)

85
81
76
69
65
61
58
56
56
55
57
61
64
69
75
80
78
77

Pressure (mb)

1031
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032

Ozone (du)

325
323
322
320
320
320
320
320
320
320
320
320
320
321
322
323
324
324

Forecast for Harringay, Greater London, United Kingdom (51.59,-0.10)

Generated: 25/03/26 07:43:09. Forecast: 25/03/26 to 31/03/26. Timezone: UTC+0.00