Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 72%

00:57

10:24

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

Sun - Rise: 04:48, Set: 21:15, Transit: 13:02. Moon - Rise: 00:57, Set: 10:24. Civil Dark: 22:01 - 04:02. Nautical Dark: 23:11 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
81
78
100
100
100
83
100
89
96

Low Clouds (% Sky Obscured)

0
0
0
0
25
55
50
59
68
51
51
97
90
96
84
50
70
69
77
94
74
98
80
67

Medium Clouds (% Sky Obscured)

19
55
83
88
100
100
100
86
99
96
100
94
100
82
40
25
4
40
77
100
69
48
32
39

High Clouds (% Sky Obscured)

60
100
100
100
100
100
83
86
73
37
0
0
7
60
0
0
0
55
55
0
0
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
8
9
6
9
5
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
None
Light Rain
None

Precipitation Probability (%)

0
0
11
1
6
40
47
41
46
36
51
75
94
95
78
44
61
56
74
95
76
57
90
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0.3
0.5
1.5
0.4
0
0.3
0
0.2
1.2
0.4
0
0.7
0

Wind Speed/Direction (mph)

11
11
9
9
8
8
7
9
10
11
12
14
14
17
17
14
17
19
19
17
15
13
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
8
8
9
9
9
9
8
9
11
11
12
12
12
11
11
13
12
13
16
14

Relative Humidity (%)

60
66
69
74
74
76
81
83
83
83
76
81
90
93
93
92
82
72
73
89
93
95
95
90

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1007
1007
1006
1005
1005
1004
1004
1004
1004
1003
1002
1001
1001
1002

Ozone (du)

367
369
370
372
371
373
376
377
378
381
384
387
380
383
389
396
403
402
403
401
401
401
402
400

Saturday 6

Waning Gibbous 62%

01:11

11:39

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

Sun - Rise: 04:48, Set: 21:16, Transit: 13:02. Moon - Rise: 01:11, Set: 11:39. Civil Dark: 22:02 - 04:01. Nautical Dark: 23:12 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
45
65
58
86
87
81
51
48
66
58
71
46
42
68
78
88
97
82
96
95
98
77
93

Low Clouds (% Sky Obscured)

41
44
46
56
76
78
64
48
46
39
40
55
37
39
52
49
67
83
44
59
38
78
49
38

Medium Clouds (% Sky Obscured)

16
0
14
0
8
24
29
3
3
21
6
25
3
7
10
23
18
15
14
21
54
42
23
28

High Clouds (% Sky Obscured)

0
0
0
1
4
0
2
1
10
30
35
30
45
12
39
50
25
67
60
40
43
42
5
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 (%)

29
9
6
7
25
6
0
0
0
0
0
0
0
0
0
0
0
5
17
5
17
5
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
14
13
12
13
13
13
11
11
11
10
10
10
11
11
11
12
12
13
14
13
14
13

Relative Humidity (%)

83
85
89
87
86
96
95
93
90
93
95
95
93
89
82
74
71
66
63
66
69
66
72
64

Pressure (mb)

1004
1005
1007
1009
1010
1011
1013
1014
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019

Ozone (du)

391
386
385
382
379
374
373
372
370
370
369
370
369
367
364
361
361
361
360
360
360
362
365
365

Sunday 7

Waning Gibbous 52%

01:23

12:55

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

Sun - Rise: 04:47, Set: 21:17, Transit: 13:03. Moon - Rise: 01:23, Set: 12:55. Civil Dark: 22:03 - 04:01. Nautical Dark: 23:14 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67

Low Clouds (% Sky Obscured)

71
32
29
31
47
59
52
53
54
52
59
66
75
71
64
61
55
50
48
60
72
83
72
66

Medium Clouds (% Sky Obscured)

71
66
98
94
97
100
100
100
100
99
100
100
100
96
91
85
85
86
88
93
97
100
52
35

High Clouds (% Sky Obscured)

58
52
57
100
100
100
100
99
97
96
97
98
100
100
100
100
100
100
100
100
100
100
100
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
4
4
3
9
7
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
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
0
0
0
0
0
0
1
1
0
25
39
51
58
92
95
95
95
95
95
75
77
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.5
0.9
0.5
0.6
1
0.6
0.4
0.4
0.7
1

Wind Speed/Direction (mph)

14
13
12
11
10
10
10
10
9
9
9
9
9
10
10
10
10
9
9
12
12
13
12
13

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
14
14
13
13
13
14
14
14
14
14
15
15
15
15
15
15
15
15

Feels Like (°C)

15
15
14
13
12
11
11
11
11
11
10
11
11
11
12
12
13
13
13
12
11
11
11
10

Dew Point (°C)

12
12
12
12
13
13
13
12
12
12
11
10
10
10
11
12
14
14
14
14
14
12
12
8

Relative Humidity (%)

65
70
75
80
89
93
93
92
90
89
84
79
79
79
80
87
93
95
95
96
95
84
83
62

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

363
363
363
364
363
362
364
363
363
365
367
368
368
369
371
374
379
380
382
381
389
397
403
410

Monday 8

Third Quarter 41%

01:35

14:13

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 OK
02 OK
03 OK
04 OK
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

Sun - Rise: 04:47, Set: 21:18, Transit: 13:03. Moon - Rise: 01:35, Set: 14:13. Civil Dark: 22:04 - 04:00. Nautical Dark: 23:15 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
72
59
56
42
21
0
9
18
26
36
48
62
60
60
73
80
87
90
84
75
69
63
51

Low Clouds (% Sky Obscured)

65
61
57
53
39
19
0
9
17
24
32
41
51
45
35
34
44
47
54
59
62
69
59
49

Medium Clouds (% Sky Obscured)

35
30
15
0
0
0
0
0
0
0
1
2
2
11
24
71
76
83
62
42
23
7
6
11

High Clouds (% Sky Obscured)

76
50
23
0
0
0
0
0
0
0
0
0
0
0
4
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
6
9
4
4
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

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

Precipitation Probability (%)

95
95
74
19
13
6
0
0
0
0
0
0
0
2
13
33
42
64
71
70
63
63
60
55

Precipitation Amount (mm)

1.4
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
59
62
69
79
84
82
88
88
91
95
95
91
83
72
68
75
80
79
73
69
51
46
54

Pressure (mb)

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

Ozone (du)

414
416
416
415
414
412
409
408
407
408
407
408
408
408
407
410
409
411
410
410
409
408
409
405

Tuesday 9

Waning Crescent 30%

01:47

15:35

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

Sun - Rise: 04:47, Set: 21:19, Transit: 13:03. Moon - Rise: 01:47, Set: 15:35. Civil Dark: 22:05 - 04:00. Nautical Dark: 23:17 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
51
37
24
26
29
33
44
53
63
64
66
68
62
62
59
47
36
26
45
64
83
87
90

Low Clouds (% Sky Obscured)

37
43
36
24
26
29
33
39
44
44
48
53
55
46
40
35
31
28
25
35
43
52
46
43

Medium Clouds (% Sky Obscured)

1
39
13
4
4
4
4
5
6
9
6
3
0
5
7
9
7
4
2
2
4
22
32
38

High Clouds (% Sky Obscured)

0
30
15
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
9
19
28
49
68

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 (%)

45
44
32
7
8
5
0
0
0
0
0
0
0
1
0
0
13
12
13
13
14
14
25
33

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
67
72
77
84
85
87
90
90
91
93
87
84
78
72
64
59
54
50
47
48
50
52
59

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

402
401
401
402
402
401
401
401
402
404
406
407
407
408
409
410
411
411
410
410
411
412
412
411

Wednesday 10

Waning Crescent 20%

02:02

17:02

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

Sun - Rise: 04:46, Set: 21:19, Transit: 13:03. Moon - Rise: 02:02, Set: 17:02. Civil Dark: 22:06 - 03:59. Nautical Dark: 23:18 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
92
87
85
89
92
93
94
90
97
89
72
68
70
72
78
79
84
91
87
77
68
71
79

Low Clouds (% Sky Obscured)

39
31
23
15
16
19
21
22
23
25
43
61
68
70
61
63
72
82
91
87
77
68
71
79

Medium Clouds (% Sky Obscured)

25
24
25
35
27
15
8
12
16
17
14
9
10
10
5
10
10
10
15
30
31
31
31
31

High Clouds (% Sky Obscured)

85
50
40
25
41
56
69
71
72
66
53
33
11
22
34
57
62
67
72
87
77
68
71
79

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 (%)

37
32
24
12
11
7
0
0
1
1
29
39
44
44
42
41
38
33
27
33
30
21
24
23

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
11
9
8
7
7
7
7
6
6
7
7
8
9
11
13
13
14
15
15
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7

Relative Humidity (%)

67
76
80
84
88
90
93
95
95
96
95
91
87
84
76
69
63
58
55
51
50
49
48
53

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017

Ozone (du)

410
410
406
402
399
398
398
398
398
398
398
401
403
406
403
401
399
397
395
393
387
382
377
372

Thursday 11

Waning Crescent 11%

02:20

No Set

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 04:46, Set: 21:20, Transit: 13:03. Moon - Rise: 02:20, Set: No Set. Civil Dark: 22:07 - 03:59. Nautical Dark: 23:19 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

83
69
46
30
42
56
69

Medium Clouds (% Sky Obscured)

35
35
35
35
47
48
53

High Clouds (% Sky Obscured)

93
96
98
100
95
91
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None

Precipitation Probability (%)

14
14
10
4
12
14
7

Precipitation Amount (mm)

0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
14
13
12
13
13

Chance of Frost

Temperature (°C)

16
15
15
14
13
13
13

Feels Like (°C)

14
14
11
11
11
10
9

Dew Point (°C)

8
9
9
9
9
9
10

Relative Humidity (%)

60
65
70
74
80
80
80

Pressure (mb)

1017
1016
1016
1016
1016
1016
1015

Ozone (du)

367
362
359
357
354
352
349

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 05/06/26 18:34:56. Forecast: 05/06/26 to 11/06/26. Timezone: UTC+1.00