Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 67%

01:33

10:38

16 OK
17 Bad
18 OK
19 Good
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 Good
14 OK
15 Bad

Sun - Rise: 06:27, Set: 19:48, Transit: 13:08. Moon - Rise: 01:33, Set: 10:38. Civil Dark: 20:15 - 06:00. Nautical Dark: 20:48 - 05:27. Astro Dark: 21:22 - 04:53

Total Clouds (% Sky Obscured)

39
56
22
17
78
98
72
100
94
100
93
45
82
84
98
98
100
100
100
77
72
13
15
73

Low Clouds (% Sky Obscured)

24
7
18
15
18
2
0
0
0
5
8
8
9
38
43
52
44
15
29
26
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
4
7
7
0
20
53
38
45
82
65
85
84
100
100
33
27
0
0
0
2

High Clouds (% Sky Obscured)

39
3
3
2
62
96
61
100
83
74
78
38
50
4
67
79
73
8
100
3
62
12
13
59

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

Chance of Frost

Temperature (°C)

27
26
25
24
22
20
19
19
19
18
18
17
17
16
15
15
16
18
20
22
24
26
28
29

Feels Like (°C)

25
24
24
23
22
19
17
16
16
16
15
15
14
14
14
13
15
16
18
20
23
25
27
29

Dew Point (°C)

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

Relative Humidity (%)

33
36
41
48
55
60
61
62
65
69
70
73
74
75
78
79
78
71
64
56
48
43
42
41

Pressure (mb)

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

Ozone (du)

323
320
318
317
316
315
313
312
310
312
311
311
309
308
307
308
309
308
306
306
307
306
305
305

Saturday 19

Waning Gibbous 56%

02:19

11:42

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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: 06:26, Set: 19:49, Transit: 13:08. Moon - Rise: 02:19, Set: 11:42. Civil Dark: 20:16 - 05:59. Nautical Dark: 20:49 - 05:26. Astro Dark: 21:23 - 04:51

Total Clouds (% Sky Obscured)

100
98
95
100
100
100
100
100
100
100
93
27
100
100
100
69
78
100
100
100
98
100
98
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
17
27
56
62
62
59

Medium Clouds (% Sky Obscured)

0
8
85
84
70
60
70
86
99
100
60
27
80
97
78
69
39
58
23
43
24
45
14
67

High Clouds (% Sky Obscured)

100
96
95
100
100
100
100
100
100
100
93
27
100
100
100
61
72
100
100
100
96
100
93
67

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
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)

13
11
11
11
9
9
9
8
8
8
7
7
6
5
4
4
2
4
6
7
7
6
6
6

Chance of Frost

Temperature (°C)

29
28
28
27
25
23
23
22
22
21
21
20
19
19
19
19
19
22
23
25
26
27
27
27

Feels Like (°C)

28
27
27
25
24
23
22
22
22
21
20
20
19
19
19
19
20
22
23
25
26
27
28
28

Dew Point (°C)

15
15
17
17
16
15
15
15
15
15
15
15
15
15
15
16
16
15
16
17
18
19
19
19

Relative Humidity (%)

41
44
50
54
57
59
59
61
63
65
68
71
75
77
81
82
78
65
61
61
59
60
58
59

Pressure (mb)

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

Ozone (du)

304
304
303
302
302
303
303
304
306
304
305
304
302
303
303
303
302
300
302
303
305
306
307
307

Sunday 20

Third Quarter 46%

02:59

12:50

16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 06:25, Set: 19:50, Transit: 13:08. Moon - Rise: 02:59, Set: 12:50. Civil Dark: 20:17 - 05:57. Nautical Dark: 20:50 - 05:24. Astro Dark: 21:25 - 04:50

Total Clouds (% Sky Obscured)

97
100
100
35
76
100
100
100
98
100
100
100
100
100
93
94
89
99
100
100
61
54
69
85

Low Clouds (% Sky Obscured)

73
78
50
0
0
0
24
32
68
56
77
84
86
88
87
83
88
90
53
34
38
41
42
43

Medium Clouds (% Sky Obscured)

49
31
3
0
5
5
5
0
55
100
100
71
81
46
27
4
0
68
3
90
3
1
23
46

High Clouds (% Sky Obscured)

90
100
100
35
76
100
100
100
93
100
100
100
100
100
27
65
47
84
100
100
40
26
49
74

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 (%)

1
2
2
0
0
0
0
3
2
3
6
10
10
3
1
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

27
26
25
24
22
20
18
17
16
16
15
15
15
14
14
14
15
17
18
21
23
25
26
27

Feels Like (°C)

27
26
25
24
20
19
17
16
15
15
14
14
13
13
13
13
14
15
17
21
23
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

59
60
63
65
68
66
64
68
72
74
75
76
75
78
76
79
78
78
77
68
59
52
44
37

Pressure (mb)

1024
1023
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1021
1020
1019

Ozone (du)

307
307
308
308
308
308
308
308
309
309
310
310
312
312
311
311
313
314
313
313
313
313
314
314

Monday 21

Waning Crescent 35%

03:33

14:00

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:23, Set: 19:51, Transit: 13:08. Moon - Rise: 03:33, Set: 14:00. Civil Dark: 20:18 - 05:56. Nautical Dark: 20:51 - 05:23. Astro Dark: 21:26 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
98
99
85
100
97
100
100
100
100

Low Clouds (% Sky Obscured)

44
29
15
0
0
0
0
4
8
12
8
4
0
0
0
0
6
12
19
36
54
72
63
54

Medium Clouds (% Sky Obscured)

69
49
32
16
34
61
99
95
95
92
87
80
71
82
87
73
84
61
65
75
56
60
54
48

High Clouds (% Sky Obscured)

100
100
100
98
96
95
100
100
100
100
100
66
65
93
88
82
81
51
80
76
93
100
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
1
2
19
25
13
19
21
12
22
24
20
34
42
48
47
44
35
30
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
27
26
25
23
22
22
21
21
21
20
20
19
19
19
19
19
20
20
21
22
23
23
23

Feels Like (°C)

24
25
25
24
21
22
20
20
20
20
19
20
20
20
19
19
19
19
20
20
21
21
20
20

Dew Point (°C)

10
12
12
13
11
12
12
13
14
15
15
15
16
16
16
16
15
12
9
8
6
5
6
6

Relative Humidity (%)

35
37
41
47
47
52
54
57
65
70
72
75
80
84
81
85
76
61
49
42
36
31
33
32

Pressure (mb)

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

Ozone (du)

315
314
314
315
317
318
318
318
320
324
324
325
326
325
328
329
331
329
328
330
330
330
332
332

Tuesday 22

Waning Crescent 24%

04:02

15:11

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:22, Set: 19:52, Transit: 13:07. Moon - Rise: 04:02, Set: 15:11. Civil Dark: 20:19 - 05:54. Nautical Dark: 20:52 - 05:21. Astro Dark: 21:27 - 04:46

Total Clouds (% Sky Obscured)

100
95
100
100
89
77
65
77
90
100
100
100
100
100
100
100
95
95
98
100
100
100
86
72

Low Clouds (% Sky Obscured)

45
30
15
0
7
15
22
37
52
66
77
89
100
87
82
74
77
80
84
77
69
62
57
52

Medium Clouds (% Sky Obscured)

56
66
49
46
31
17
0
10
19
31
52
61
74
66
87
27
25
12
35
36
19
0
0
0

High Clouds (% Sky Obscured)

99
79
99
100
89
77
65
77
89
100
100
100
100
100
100
100
95
95
98
98
100
100
76
52

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
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

15
16
12
6
6
4
0
2
3
5
11
13
13
26
28
24
65
68
55
50
40
33
31
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
24
23
22
20
19
18
17
17
17
16
16
16
15
15
16
16
18
19
20
21
23
24
24

Feels Like (°C)

21
21
22
20
20
18
18
16
16
15
14
14
14
14
13
14
15
15
15
16
16
17
18
24

Dew Point (°C)

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

Relative Humidity (%)

32
30
32
40
45
48
52
55
56
54
57
58
60
62
64
66
64
56
49
43
41
38
35
34

Pressure (mb)

1018
1017
1018
1018
1018
1019
1019
1019
1019
1020
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

333
333
333
333
334
335
336
338
340
341
340
340
340
340
342
343
345
345
345
345
345
344
344
341

Wednesday 23

Waning Crescent 15%

04:30

No Set

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

Sun - Rise: 06:21, Set: 19:53, Transit: 13:07. Moon - Rise: 04:30, Set: No Set. Civil Dark: 20:20 - 05:53. Nautical Dark: 20:53 - 05:20. Astro Dark: 21:28 - 04:45

Total Clouds (% Sky Obscured)

58
38
19
0
0
0
0
30
61
91
94
97
100
99
99
98
77
55
33
23
12
2
6
10

Low Clouds (% Sky Obscured)

47
32
16
0
0
0
0
30
58
86
75
87
90
99
99
98
77
55
33
22
11
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
1

High Clouds (% Sky Obscured)

27
18
9
0
0
0
0
3
6
9
6
3
5
5
0
0
0
0
0
1
1
2
6
10

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
8
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
1

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

Chance of Frost

Temperature (°C)

24
24
22
21
19
18
17
16
15
15
15
15
15
15
15
15
15
17
19
21
23
25
27
27

Feels Like (°C)

24
23
23
24
24
18
17
18
17
18
17
15
16
16
15
14
14
17
18
19
21
22
24
28

Dew Point (°C)

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

Relative Humidity (%)

32
31
38
46
56
61
66
72
73
76
78
80
80
83
80
79
78
69
62
57
49
44
38
38

Pressure (mb)

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

Ozone (du)

339
337
338
338
339
338
338
338
337
337
337
338
339
339
339
339
340
339
339
338
337
336
335
334

Thursday 24

Waning Crescent 7%

04:56

16:23

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

Sun - Rise: 06:20, Set: 19:54, Transit: 13:07. Moon - Rise: 04:56, Set: 16:23. Civil Dark: 20:21 - 05:52. Nautical Dark: 20:55 - 05:18. Astro Dark: 21:30 - 04:43

Total Clouds (% Sky Obscured)

15
11
17
18
36
61
73
67
50
10
6
1
2
6
10
14
43
71
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
18
36
53

Medium Clouds (% Sky Obscured)

1
2
2
2
4
7
11
12
16
10
6
1
2
6
10
7
8
13
18
29
40
55

High Clouds (% Sky Obscured)

15
11
7
4
20
36
57
41
26
10
6
1
2
6
10
14
43
71
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
6
4
6
8
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
19
36
51
54
51
40
29
17
1
3
4
4
7
5
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
27
25
23
21
20
18
17
16
15
15
14
14
13
14
15
16
19
21
24
25
27

Feels Like (°C)

27
26
26
26
26
18
17
16
16
16
15
12
13
13
14
14
15
18
20
22
22
21

Dew Point (°C)

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

Relative Humidity (%)

38
38
42
46
51
56
59
64
71
80
92
93
93
95
95
93
92
86
80
75
63
53

Pressure (mb)

1022
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1022
1021
1020

Ozone (du)

333
332
331
331
330
331
331
332
332
331
331
331
330
330
330
331
332
333
334
335
334
334

Forecast for South Richmond, Richmond, United States of America (37.54,-77.44)

Generated: 18/04/25 16:24:35. Forecast: 18/04/25 to 24/04/25. Timezone: UTC-4.00