Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 27%

09:17

02:06

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

Sun - Rise: 06:30, Set: 20:18, Transit: 13:24. Moon - Rise: 09:17, Set: 02:06. Civil Dark: 20:49 - 05:59. Nautical Dark: 21:27 - 05:21. Astro Dark: 22:08 - 04:40

Total Clouds (% Sky Obscured)

18
35
29
55
40
100
100
100
100
67
49
28
49
70
98
100
89
96
100
100
100
100
92
92

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)

11
17
29
36
40
4
0
26
30
0
2
1
2
3
7
22
21
56
95
89
85
98
92
92

High Clouds (% Sky Obscured)

1
3
29
18
20
100
100
100
100
59
37
18
26
57
94
100
89
96
100
100
100
100
20
20

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
1
5
14
8
6
11
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)

6
5
5
5
5
4
3
4
8
11
14
16
15
16
15
14
11
7
4
5
5
6
5
8

Chance of Frost

Temperature (°C)

5
5
4
4
4
7
12
15
17
19
20
20
21
21
20
20
18
16
13
12
11
11
11
11

Feels Like (°C)

3
2
2
0
0
3
9
12
13
14
14
13
15
14
14
14
13
12
11
9
8
9
7
6

Dew Point (°C)

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

Relative Humidity (%)

46
48
49
48
49
44
35
29
26
21
20
19
20
20
20
23
28
34
46
51
53
57
56
50

Pressure (mb)

1012
1011
1012
1012
1012
1012
1011
1011
1010
1009
1008
1006
1005
1004
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002

Ozone (du)

325
323
321
321
323
326
326
326
326
324
322
322
321
320
320
320
321
321
323
325
328
328
330
333

Wednesday 22

Waxing Crescent 38%

10:29

02:51

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

Sun - Rise: 06:28, Set: 20:19, Transit: 13:24. Moon - Rise: 10:29, Set: 02:51. Civil Dark: 20:50 - 05:57. Nautical Dark: 21:28 - 05:19. Astro Dark: 22:09 - 04:38

Total Clouds (% Sky Obscured)

80
54
57
97
82
94
64
92
86
84
95
94
99
91
100
91
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

0
0
15
37
46
51
59
86
78
82
68
80
70
50
86
91
94
95
92
92
98
94
98
90

Medium Clouds (% Sky Obscured)

80
54
45
97
61
82
12
11
86
58
89
91
93
80
100
84
100
100
100
99
100
100
100
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
90
91
90
81
87
93
100
100
100
93
93
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
7
9
9
9
9
9
9
9
9
8
4
5
5
4
0
0

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

Precipitation Probability (%)

0
0
1
37
14
12
12
39
52
64
66
62
41
28
47
75
73
73
76
72
74
82
94
73

Precipitation Amount (mm)

0
0
0
0.2
0
0
0
0
0.2
0.4
0.4
0.3
0
0
0
0.5
0.3
0.4
0.6
0.3
0.3
0.5
0.9
0.3

Wind Speed/Direction (mph)

13
12
8
8
11
11
12
13
14
15
17
18
18
18
19
18
16
13
10
6
8
9
6
6

Chance of Frost

Temperature (°C)

12
10
8
6
4
4
4
5
5
6
7
8
8
9
9
7
6
4
3
2
2
1
0
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

28
38
60
63
71
68
62
59
62
58
45
45
45
38
32
36
44
53
68
73
70
73
96
98

Pressure (mb)

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

Ozone (du)

334
337
338
340
341
342
344
345
347
348
354
360
365
366
367
369
371
368
365
365
366
367
371
365

Thursday 23

First Quarter 50%

11:46

No Set

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

Sun - Rise: 06:26, Set: 20:21, Transit: 13:23. Moon - Rise: 11:46, Set: No Set. Civil Dark: 20:52 - 05:55. Nautical Dark: 21:30 - 05:17. Astro Dark: 22:11 - 04:36

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
78
77
100
100
100
96
100
100
93
100
96
98
95
91
49
65
82
97

Low Clouds (% Sky Obscured)

86
73
81
80
54
56
67
66
96
88
63
86
91
83
30
17
17
20
24
30
30
30
25
25

Medium Clouds (% Sky Obscured)

100
95
100
100
83
100
71
48
90
90
67
59
76
100
93
100
85
94
87
91
49
65
82
97

High Clouds (% Sky Obscured)

76
100
100
2
25
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
13
16

ISS Passover

Visibility (miles)

2
7
7
5
1
0
1
8
7
7
6
6
9
2
8
9
2
4
4
2
1
0
0
0

Fog (%)

0
0
45
40
45
41
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

50
45
43
40
32
41
34
36
44
56
55
71
55
68
46
49
52
51
53
68
81
88
80
56

Precipitation Amount (mm)

0
0
0
0
0
0.1
0
0
0
0.2
0.1
0.4
0
0.3
0
0
0.2
0.1
0
0.2
0.5
0.7
0.5
0.2

Wind Speed/Direction (mph)

7
7
7
8
8
8
9
11
11
12
12
13
11
13
14
14
16
14
9
9
9
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
83
83
84
87
89
86
80
77
79
68
59
51
40
51
40
64
62
77
77
83
96
98
96

Pressure (mb)

1009
1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1008
1008
1007
1007
1006
1008
1008
1010
1011
1011
1012
1012
1012

Ozone (du)

365
363
367
362
359
357
359
361
360
358
357
358
358
358
356
362
372
381
386
386
389
388
386
384

Friday 24

Waxing Gibbous 61%

13:03

03:25

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

Sun - Rise: 06:25, Set: 20:22, Transit: 13:23. Moon - Rise: 13:03, Set: 03:25. Civil Dark: 20:53 - 05:54. Nautical Dark: 21:31 - 05:15. Astro Dark: 22:13 - 04:34

Total Clouds (% Sky Obscured)

88
78
66
73
84
97
98
99
100
99
99
98
95
93
90
94
91
83
90
54
50
54
87
88

Low Clouds (% Sky Obscured)

25
25
30
25
27
30
18
25
25
31
37
43
56
70
86
76
52
60
87
38
36
27
20
14

Medium Clouds (% Sky Obscured)

88
78
66
73
84
97
98
98
100
99
99
98
76
85
86
94
81
47
20
20
13
12
14
51

High Clouds (% Sky Obscured)

9
3
1
4
30
25
25
20
20
20
15
12
6
5
0
0
1
1
0
0
0
1
15
10

ISS Passover

Visibility (miles)

1
0
0
0
1
9
9
9
9
6
4
4
3
7
7
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

Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

59
75
60
42
31
27
28
30
24
44
54
59
69
76
82
70
61
50
45
38
29
31
31
22

Precipitation Amount (mm)

0.3
0.7
0.4
0.1
0
0
0
0
0
0
0.2
0.2
0.4
0.5
0.7
0.5
0.4
0.4
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
87
81
71
67
65
66
66
66
63
62
58
58
61
83
91
89
90
90
90
89

Pressure (mb)

1012
1013
1014
1015
1016
1016
1016
1015
1014
1013
1013
1012
1011
1011
1011
1011
1011
1012
1014
1014
1015
1015
1015
1015

Ozone (du)

382
383
384
386
386
384
383
383
383
381
382
382
381
381
379
382
383
383
382
380
377
377
377
379

Saturday 25

Waxing Gibbous 72%

14:17

03:52

03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
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 Bad
01 Bad
02 Bad

Sun - Rise: 06:23, Set: 20:23, Transit: 13:23. Moon - Rise: 14:17, Set: 03:52. Civil Dark: 20:54 - 05:52. Nautical Dark: 21:33 - 05:14. Astro Dark: 22:15 - 04:31

Total Clouds (% Sky Obscured)

68
49
30
31
31
32
41
57
68
79
90
100
97
90
82
73
65
56
53
41
27
44
65
93

Low Clouds (% Sky Obscured)

59
49
30
31
31
32
41
57
68
56
52
45
39
33
36
38
40
37
32
31
27
26
20
14

Medium Clouds (% Sky Obscured)

68
49
30
31
31
32
41
57
65
73
88
100
97
68
27
26
23
17
17
16
12
19
28
36

High Clouds (% Sky Obscured)

7
0
0
1
1
2
1
3
30
30
30
30
1
0
0
0
0
0
0
0
0
14
30
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
2
4
1
1
2
2
1
4
3
7
8
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
19
12
12
14
13
30
42
38
44
49
75
64
51
30
34
32
25
24
19
4
7
6
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-8
-9
-8
-6
-4
-3
-2
-1
-2
-1
1
3
2
2
1
1
1
1
-0
-1
-5
-6

Dew Point (°C)

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

Relative Humidity (%)

89
89
87
87
85
76
77
77
69
65
64
76
88
75
68
67
74
84
94
92
87
86
84
86

Pressure (mb)

1014
1014
1014
1014
1014
1013
1012
1011
1010
1009
1009
1008
1008
1007
1005
1005
1006
1007
1007
1008
1008
1008
1008
1008

Ozone (du)

381
383
383
384
385
385
385
385
388
387
381
376
376
373
370
368
368
368
367
368
368
369
371
372

Sunday 26

Waxing Gibbous 81%

15:28

04:14

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

Sun - Rise: 06:22, Set: 20:24, Transit: 13:23. Moon - Rise: 15:28, Set: 04:14. Civil Dark: 20:56 - 05:50. Nautical Dark: 21:34 - 05:12. Astro Dark: 22:17 - 04:29

Total Clouds (% Sky Obscured)

90
83
78
83
87
92
94
96
99
96
92
88
88
88
89
90
89
84
87
93
100
100
100
100

Low Clouds (% Sky Obscured)

20
28
38
47
60
72
77
81
85
80
71
64
61
58
59
51
40
32
32
33
33
46
57
66

Medium Clouds (% Sky Obscured)

46
57
68
71
74
77
75
66
63
61
59
57
67
74
79
77
72
65
71
74
74
77
80
78

High Clouds (% Sky Obscured)

27
3
0
4
7
10
20
34
55
41
21
1
12
23
36
33
24
28
49
73
98
97
96
96

ISS Passover

Visibility (miles)

9
6
3
0
2
4
6
5
4
3
3
2
1
4
7
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
Snow
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None

Precipitation Probability (%)

16
24
31
37
42
46
41
35
28
35
39
39
42
44
44
37
34
34
31
28
21
25
29
31

Precipitation Amount (mm)

0
0
0
0.1
0.2
0.3
0
0.1
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
91
92
87
84
80
78
77
75
68
63
56
55
54
54
64
75
88
88
87
87
89
89

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1006
1008
1009
1010
1011
1011
1012
1012

Ozone (du)

374
371
369
367
371
375
380
382
385
387
382
378
373
372
372
371
372
373
373
373
372
372
372
372

Monday 27

Waxing Gibbous 88%

16:37

04:33

Sun - Rise: 06:20, Set: 20:25, Transit: 13:23. Moon - Rise: 16:37, Set: 04:33. Civil Dark: 20:57 - 05:49. Nautical Dark: 21:36 - 05:10. Astro Dark: 22:19 - 04:27

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 Last Chance, Fremont, United States of America (44.32,-111.46)

Generated: 21/04/26 03:29:08. Forecast: 21/04/26 to 27/04/26. Timezone: UTC-6.00