Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 6%

08:21

23:16

15 OK
16 OK
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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

Sun - Rise: 06:02, Set: 20:28, Transit: 13:15. Moon - Rise: 08:21, Set: 23:16. Civil Dark: 20:58 - 05:31. Nautical Dark: 21:36 - 04:54. Astro Dark: 22:17 - 04:12

Total Clouds (% Sky Obscured)

39
33
32
27
56
59
55
55
27
23
42
90
88
79
82
85
97
94
61
55
62
61
74
45

Low Clouds (% Sky Obscured)

16
33
32
27
15
2
21
0
0
0
0
0
21
0
0
3
40
32
0
5
25
19
24
22

Medium Clouds (% Sky Obscured)

16
33
18
27
56
59
55
55
24
20
38
41
18
0
42
41
92
91
61
20
57
17
50
8

High Clouds (% Sky Obscured)

0
3
0
0
0
15
20
16
1
2
4
74
78
79
49
57
70
65
60
45
45
32
47
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
9
9
9
5
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
7
76
12
30
95
71
11
7
28
23
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
1.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
30
29
29
28
26
22
19
18
18
17
17
17
18
17
17
17
21
23
25
27
28
28
29

Feels Like (°C)

29
29
29
29
28
26
21
20
19
19
19
18
17
17
17
17
17
21
23
23
24
25
26
27

Dew Point (°C)

11
12
15
18
19
17
21
19
17
17
16
16
16
16
16
16
16
18
17
13
14
14
13
12

Relative Humidity (%)

32
32
41
53
59
55
92
95
93
93
93
93
93
92
90
92
90
86
67
46
44
42
37
34

Pressure (mb)

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

Ozone (du)

326
324
323
325
323
323
321
319
319
319
315
311
309
309
305
305
304
304
304
303
303
303
304
304

Tuesday 19

Waxing Crescent 13%

09:36

00:13

15 Bad
16 OK
17 OK
18 OK
19 OK
20 OK
21 Bad
22 Bad
23 OK
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

Sun - Rise: 06:01, Set: 20:29, Transit: 13:15. Moon - Rise: 09:36, Set: 00:13. Civil Dark: 20:59 - 05:31. Nautical Dark: 21:37 - 04:53. Astro Dark: 22:19 - 04:11

Total Clouds (% Sky Obscured)

45
33
41
23
38
37
87
98
37
100
86
74
100
100
81
99
91
100
94
80
85
77
81
100

Low Clouds (% Sky Obscured)

28
30
12
5
7
0
0
7
0
0
0
0
0
15
55
62
52
52
66
63
66
61
56
91

Medium Clouds (% Sky Obscured)

4
3
18
19
25
13
35
18
14
14
30
44
27
16
44
29
4
26
29
22
31
35
43
42

High Clouds (% Sky Obscured)

24
4
25
22
20
23
83
96
20
100
73
65
100
100
50
99
87
100
92
73
81
67
71
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
8
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
Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
20
37
38
58
28
26
1
8
36
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
1.9
1.6
1.3
0.8
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
30
29
29
27
25
23
21
20
20
19
18
17
17
16
16
18
20
22
22
22
22
23
24

Feels Like (°C)

27
27
28
28
28
26
22
20
19
20
18
18
17
17
16
17
18
22
22
22
22
23
24
23

Dew Point (°C)

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

Relative Humidity (%)

32
31
31
39
55
68
64
64
64
63
72
83
92
95
95
96
96
93
81
65
58
57
47
45

Pressure (mb)

1021
1020
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

303
303
304
304
304
305
305
306
307
306
307
308
309
309
311
310
310
311
311
310
310
309
308
308

Wednesday 20

Waxing Crescent 23%

10:52

00:58

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:00, Set: 20:30, Transit: 13:15. Moon - Rise: 10:52, Set: 00:58. Civil Dark: 21:00 - 05:30. Nautical Dark: 21:38 - 04:52. Astro Dark: 22:20 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
85
86
76
74
97
97
100
100
100
100
99
98
100
98
100
100
100
100
99
100
99
99
97

Medium Clouds (% Sky Obscured)

56
100
94
48
44
100
100
98
96
98
98
95
95
95
100
100
100
100
100
100
100
100
92
100

High Clouds (% Sky Obscured)

82
100
100
100
100
100
100
90
13
92
67
67
87
87
61
24
18
33
67
93
80
94
84
86

ISS Passover

Visibility (miles)

6
5
5
9
7
4
0
0
0
0
3
1
0
0
1
1
1
4
2
3
2
3
1
0

Fog (%)

0
1
0
70
0
0
2
2
4
4
0
0
13
9
36
57
35
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

95
95
95
90
95
95
95
95
64
35
40
43
34
42
51
70
95
71
81
85
89
95
90
82

Precipitation Amount (mm)

2.5
1.5
0.9
0.7
1.2
3
1.7
1.1
0.4
0
0
0
0
0.2
0.3
0.5
1.2
0.4
0.7
0.6
0.6
0.6
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
19
19
19
19
18
17
16
16
15
15
15
15
15
14
14
14
14
14
15
15
15
15
14

Feels Like (°C)

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

Dew Point (°C)

15
18
18
18
18
17
17
16
16
15
15
15
15
14
14
14
14
14
14
15
15
15
14
14

Relative Humidity (%)

62
93
95
96
95
98
100
100
100
98
98
98
98
98
98
98
100
98
98
100
98
98
96
98

Pressure (mb)

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

Ozone (du)

306
305
307
310
310
309
311
311
311
310
309
308
309
309
310
311
311
311
311
310
309
310
309
310

Thursday 21

Waxing Crescent 34%

12:05

01:33

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:00, Set: 20:30, Transit: 13:16. Moon - Rise: 12:05, Set: 01:33. Civil Dark: 21:01 - 05:29. Nautical Dark: 21:39 - 04:51. Astro Dark: 22:21 - 04:08

Total Clouds (% Sky Obscured)

100
99
99
98
98
96
94
93
95
97
99
99
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

96
95
91
85
80
76
77
76
76
77
80
79
81
81
76
75
76
83
90
94
93
92
84
87

Medium Clouds (% Sky Obscured)

99
97
91
95
95
89
83
75
73
76
83
88
94
100
99
99
98
99
99
100
100
99
97
96

High Clouds (% Sky Obscured)

79
66
50
44
35
32
30
36
55
70
81
81
76
73
85
78
82
90
95
100
98
97
86
59

ISS Passover

Visibility (miles)

0
0
2
2
5
3
2
3
5
3
2
3
3
5
2
1
2
7
7
5
5
5
5
5

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

63
45
43
38
45
95
95
80
71
95
95
95
83
77
95
95
78
74
90
95
90
88
86
78

Precipitation Amount (mm)

0.2
0
0
0
0
0.9
0.6
0.5
0.3
0.7
0.7
0.6
0.5
0.4
1.8
1.9
0.6
0.3
0.5
0.7
0.6
0.5
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
13
13
12
12
12
12
13
13
13
14
14
15
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

14
14
14
13
13
13
13
12
12
12
12
12
12
13
13
13
14
14
14
14
14
14
14
13

Relative Humidity (%)

100
98
100
98
96
98
98
98
98
98
98
98
98
98
98
98
98
98
98
96
96
95
95
85

Pressure (mb)

1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022

Ozone (du)

312
313
311
311
312
312
313
314
315
315
314
314
314
314
314
313
315
315
316
315
314
315
316
317

Friday 22

Waxing Crescent 45%

13:13

02:01

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:59, Set: 20:31, Transit: 13:16. Moon - Rise: 13:13, Set: 02:01. Civil Dark: 21:02 - 05:28. Nautical Dark: 21:40 - 04:50. Astro Dark: 22:23 - 04:07

Total Clouds (% Sky Obscured)

98
96
97
99
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

77
67
75
78
82
81
79
79
78
78
76
68
70
72
77
82
89
88
87
85
88
89
91
91

Medium Clouds (% Sky Obscured)

94
91
94
97
100
89
78
65
68
75
80
98
98
98
99
100
100
100
100
100
100
99
99
96

High Clouds (% Sky Obscured)

65
38
59
78
100
100
100
100
92
100
100
75
85
100
100
100
100
74
49
23
43
63
83
75

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

72
63
69
95
95
95
76
84
75
77
76
73
72
73
68
63
60
94
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.3
0
1.3
2.2
1
0.3
0.6
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.2
0.2
0.6
1.1
1.5
1.2
0.9
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
13
13
13
13
12
12
12
12
12
11
11
11
11
11
11
15
15
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

87
93
93
95
100
100
98
98
98
98
98
100
98
98
98
98
98
98
96
96
98
98
96
98

Pressure (mb)

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

Ozone (du)

316
315
315
315
314
314
314
315
316
315
314
313
314
315
316
317
318
319
318
318
317
317
317
317

Saturday 23

First Quarter 56%

14:19

02:26

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:58, Set: 20:32, Transit: 13:16. Moon - Rise: 14:19, Set: 02:26. Civil Dark: 21:03 - 05:28. Nautical Dark: 21:41 - 04:49. Astro Dark: 22:24 - 04:06

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

90
85
86
88
91
84
76
68
67
65
64
63
59
56
51
52
49
60
67
75
78
81
84
79

Medium Clouds (% Sky Obscured)

94
93
97
99
100
83
66
49
37
30
23
23
19
15
16
17
18
21
24
32
35
43
50
46

High Clouds (% Sky Obscured)

71
70
81
92
100
96
90
84
84
83
84
83
81
83
89
91
90
88
87
85
89
94
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

95
80
68
56
46
43
39
34
36
39
43
37
28
11
16
19
18
25
33
41
54
70
86
83

Precipitation Amount (mm)

0.6
0.4
0.3
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.5

Wind Speed/Direction (mph)

5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
4
4
5
5

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
16
16
15
15
15
15
15
15
15
15
16
17
18
19
20
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
96
98
96
96
96
98
96
98
96
95
95
88
82
77
80
84
88

Pressure (mb)

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

Ozone (du)

318
319
320
322
324
326
325
324
323
323
323
322
321
320
318
319
319
319
317
316
315
314
313
312

Sunday 24

Waxing Gibbous 66%

No Rise

02:49

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

Sun - Rise: 05:58, Set: 20:33, Transit: 13:16. Moon - Rise: No Rise, Set: 02:49. Civil Dark: 21:04 - 05:27. Nautical Dark: 21:42 - 04:48. Astro Dark: 22:25 - 04:05

Total Clouds (% Sky Obscured)

100
100
94
88
83
86
92
96
99
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

73
72
71
76
74
71
69
68
66
64
60
55
47
41
32
26
24

Medium Clouds (% Sky Obscured)

43
41
59
75
83
86
89
90
78
57
47
47
48
53
68
71
71

High Clouds (% Sky Obscured)

100
100
82
66
49
52
53
56
71
85
100
98
96
94
78
62
45

ISS Passover

Visibility (miles)

5
5
4
3
2
0
3
6
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

85
87
95
95
95
92
80
49
49
31
13
12
10
5
8
15
16

Precipitation Amount (mm)

0.5
0.5
2.5
4.6
6.9
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
20
18
17
17
17
16
16
16
16
16
16
16
17
17

Feels Like (°C)

23
23
23
23
23
23
18
17
17
17
17
17
16
16
17
17
16

Dew Point (°C)

19
20
20
19
18
17
17
16
16
16
16
16
16
16
16
16
17

Relative Humidity (%)

89
92
93
95
96
100
98
98
98
96
96
98
98
98
98
96
95

Pressure (mb)

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

Ozone (du)

311
311
311
311
310
310
309
308
308
307
307
307
307
307
307
307
308

Forecast for Fairview, Randolph, United States of America (38.96,-79.81)

Generated: 18/05/26 15:48:39. Forecast: 18/05/26 to 24/05/26. Timezone: UTC-4.00