Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 85%

01:16

07:28

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

Sun - Rise: 06:18, Set: 19:37, Transit: 12:57. Moon - Rise: 01:16, Set: 07:28. Civil Dark: 20:11 - 05:44. Nautical Dark: 20:53 - 05:02. Astro Dark: 21:38 - 04:17

Total Clouds (% Sky Obscured)

11
39
53
35
60
32
21
16
14
14
33
40
21
17
23
11
4
1
1
0
0
0
0
1

Low Clouds (% Sky Obscured)

0
0
0
0
19
17
0
0
0
0
9
24
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
21
8
4
5
4
2
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

11
39
53
35
52
25
20
11
10
10
13
24
21
17
23
11
4
1
1
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
1
0
0
2
4
7
9
10
9
10
10
10
10
10
8
7
7
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

78
79
77
77
79
79
73
66
61
55
54
55
54
53
52
55
66
77
81
82
88
91
90
90

Pressure (mb)

1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

367
368
368
366
365
366
366
367
366
365
364
363
363
362
361
362
363
363
364
367
369
370
370
370

Tuesday 7

Waning Gibbous 78%

No Rise

08:03

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

Sun - Rise: 06:16, Set: 19:39, Transit: 12:57. Moon - Rise: No Rise, Set: 08:03. Civil Dark: 20:13 - 05:42. Nautical Dark: 20:55 - 05:00. Astro Dark: 21:40 - 04:14

Total Clouds (% Sky Obscured)

3
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
2
15
15
10
1
0

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
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
2
15
15
10
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
6
5
5
5
6
7
8
10
10
13
13
13
13
13
13
11
11
10
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
88
88
85
81
70
66
64
63
61
61
60
61
66
73
77
79
81
81
79
78
81

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

368
366
365
364
363
362
363
361
359
359
358
356
354
352
352
351
350
348
346
344
344
344
345
348

Wednesday 8

Waning Gibbous 69%

02:15

08:50

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

Sun - Rise: 06:14, Set: 19:40, Transit: 12:57. Moon - Rise: 02:15, Set: 08:50. Civil Dark: 20:15 - 05:39. Nautical Dark: 20:57 - 04:57. Astro Dark: 21:43 - 04:11

Total Clouds (% Sky Obscured)

1
0
1
1
4
40
76
30
29
41
20
68
72
84
85
88
46
19
17
20
22
24
29
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
17
26
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
20
0
0
0
3
0
0
0
0
2
3
0
2
4
2
0
0
0

High Clouds (% Sky Obscured)

1
0
1
1
4
18
25
25
22
40
8
68
72
84
84
87
46
17
17
20
15
8
3
16

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)

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

Chance of Frost

Temperature (°C)

9
9
8
8
7
7
9
12
14
16
17
18
19
18
18
18
17
15
14
13
12
12
12
11

Feels Like (°C)

8
8
7
7
6
6
7
10
12
14
16
17
18
18
17
16
15
14
13
12
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

80
78
78
81
82
82
78
72
67
61
60
58
56
56
58
63
73
76
73
70
69
69
71
71

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

350
352
354
356
356
356
356
353
352
353
352
352
351
350
352
353
353
356
360
364
369
371
370
368

Thursday 9

Waning Gibbous 59%

03:02

09:49

02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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: 06:11, Set: 19:42, Transit: 12:57. Moon - Rise: 03:02, Set: 09:49. Civil Dark: 20:16 - 05:37. Nautical Dark: 20:59 - 04:55. Astro Dark: 21:45 - 04:08

Total Clouds (% Sky Obscured)

39
50
55
63
72
64
55
46
63
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
0
17
34
51
45
37
32
40
49
59
59
58
57
51
45
41
36
22
4
0
0
0
16

Medium Clouds (% Sky Obscured)

0
0
6
13
21
14
8
0
0
0
3
18
36
57
86
56
42
17
15
12
21
23
31
33

High Clouds (% Sky Obscured)

32
48
35
22
10
9
13
16
44
69
100
100
100
100
100
100
100
100
100
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
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
1
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)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
12
14
15
16
17
18
18
18
17
16
15
14
13
12
11
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
77
77
77
79
77
75
70
66
62
61
61
63
64
69
78
87
90
92
95
95
95
93

Pressure (mb)

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

Ozone (du)

367
366
364
366
367
368
369
370
372
374
374
372
369
368
366
364
361
360
359
358
358
357
357
356

Friday 10

Third Quarter 50%

03:38

10:58

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

Sun - Rise: 06:09, Set: 19:44, Transit: 12:56. Moon - Rise: 03:38, Set: 10:58. Civil Dark: 20:18 - 05:35. Nautical Dark: 21:01 - 04:52. Astro Dark: 21:48 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
96
93
69
46
22
24
27
26
36
44
35
32
32
29
29

Low Clouds (% Sky Obscured)

34
49
50
53
53
48
43
38
39
41
45
37
31
22
15
8
0
31
44
35
32
32
23
15

Medium Clouds (% Sky Obscured)

41
36
29
23
17
35
53
63
41
19
0
0
0
0
5
11
17
14
9
5
2
1
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
91
82
74
49
25
1
0
0
0
30
44
35
32
27
16
21

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
1
3
2
2
1
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
4
5
6
6
7
9
11
12
13
14
14
14
14
13
12
11
11
10
11
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
95
95
88
81
76
76
75
70
69
68
68
73
79
84
83
81
80
83
85
87

Pressure (mb)

1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1018
1017
1016
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

356
356
356
354
353
353
352
351
350
350
349
350
350
350
350
351
353
354
356
359
362
361
361
361

Saturday 11

Waning Crescent 40%

04:03

12:14

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

Sun - Rise: 06:07, Set: 19:45, Transit: 12:56. Moon - Rise: 04:03, Set: 12:14. Civil Dark: 20:20 - 05:32. Nautical Dark: 21:03 - 04:50. Astro Dark: 21:50 - 04:02

Total Clouds (% Sky Obscured)

28
28
34
38
40
40
25
15
36
60
87
77
66
56
61
60
63
49
34
24
33
48
63
74

Low Clouds (% Sky Obscured)

8
0
0
0
0
0
0
0
14
27
43
44
44
44
41
39
36
24
12
0
9
18
27
38

Medium Clouds (% Sky Obscured)

0
0
8
13
23
31
25
15
28
16
8
13
23
20
18
16
16
9
4
3
22
39
63
70

High Clouds (% Sky Obscured)

24
28
32
37
40
20
5
5
5
0
0
5
5
5
14
19
18
17
22
23
33
42
49
64

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
2
6
5
17
16
17
14
8
1
2
2
0
4

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
10
9
8
8
8
10
11
13
15
17
20
20
21
21
19
17
15
13
12
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
80
78
80
78
77
75
74
71
69
67
68
70
72
76
79
84
87
88
90
91
90
90

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1014

Ozone (du)

362
364
366
365
364
363
361
359
357
355
354
353
352
352
351
351
351
350
351
352
353
355
356
358

Sunday 12

Waning Crescent 30%

04:23

13:31

Sun - Rise: 06:05, Set: 19:47, Transit: 12:56. Moon - Rise: 04:23, Set: 13:31. Civil Dark: 20:22 - 05:30. Nautical Dark: 21:05 - 04:47. Astro Dark: 21:53 - 03:59

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 Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 06/04/26 02:27:00. Forecast: 06/04/26 to 12/04/26. Timezone: UTC+1.00